5G Is Coming to a Street Near You

Small cell installation on top of a street light in Charlotte, North Carolina / Crown Castle

5G wireless data networks are coming, but there still are important questions about their equitable implementation and energy consumption and their implications for our data privacy. Both the complexities and promises of 5G were discussed by Federal Communications Commission (FCC) commissioner Geoffrey Starks and senior vice president of public policy for Samsung John Godfrey in The Transformative Power of 5G, a panel at Transformable: Cities, a Washington Post Live event exploring how technology is altering cities.

A 5G network looks a lot different than previous cell service infrastructure. Rather than 200-foot-tall towers scattered throughout a large area, 5G will need small cell towers placed frequently in order fully carry its data capacity. Some estimates claim a small cell tower will need to be placed every 500 feet to achieve maximum bandwidth.

The increase in data capacity and speed is related to the bandwidth of the frequency used to carry wireless data. Without drilling into the technical details of the different spectra, there are three frequency bands being proposed: low, medium, and high. The low bandwidth can travel the farthest distance and pass through trees and some other obstacles, but has the lowest data rate. Conversely, the high band can only travel shorter distance, but carries the most data. Optimized networks use all three spectra.

5G towers can be easily attached to existing infrastructure, like street lights in cities, but can be intrusive in neighborhoods and implausible in rural areas due to the distance between properties. Commissioner Starks was sensitive to the disparity, concerned that “those with much are getting more while everyone else is left behind.” He went on to cite an FCC report stating 19 million Americans do not have access to broadband, let alone 4G.

Godfrey echoed this concern, but added that low band was going to be rolled-out across the U.S. and it is uncertain if the medium and high frequency will be as widespread in rural areas as it will be in urban areas. Both panelists agreed that all three bandwidths will be necessary to realize a 5G network as advertised.

The FCC, the government agency responsible for regulating radio, television, and telephone companies in the U.S., put forth rules limiting the price local governments could charge telecom companies to $270 per small cell installation. Furthermore, they required local municipalities to approve or deny new build requests within 60 days. Both of these changes prompted 24 cities to file three law suits against the FCC, which are currently working their way through the courts.

While the lawsuits are pending, local governments have to comply with the FCC’s 5G streamlining plan. In Washington D.C., where regulatory boards oversee changes to the built environment, there was push back on the design of the small cells. For cities without regulatory boards, 5G is coming, and it is coming fast.

Both Godfrey and Commissioner Sparks said the experience you will have with your phone will be different in five years time. Godfrey expanded the changes beyond phones to include any number of Internet of Things (IoT) devices, including “every cow in a dairy herd,” to laughs from the crowd. But it wasn’t a joke: in the UK, dairy cows have 5G collars, collecting biofeedback data and relaying it to milking robots.

Real-time feedback is possible with 5G, paving the way for autonomous vehicles and increasingly data intensive objects. Commissioner Starks is concerned about what this means for future data privacy: “The amount of data that is coursing through these devices is something we are going to be intentional about — how data is handled, managed, and secured.”

Starks’ privacy concern and Godfrey’s enthusiasm about 5G as a potential for innovation revolve around the IoT, and the enormous amount of data these products use and produce. Both panelists expected to see an explosion of new connected products, such as smart refrigerators and wearable devices, as 5G becomes widespread.

The coming tsunami of data will inundate data centers, creating the demand for more, a point not mentioned by either panelist. Data centers now contribute 0.3 percent of greenhouse emissions, but the entire network of information and communications technology (ICT) accounts for 2 percent of global emissions, the equivalent of the airline industry.

While data centers account for only a small portion of the total emissions, nearly all of their growth has been within the past decade and is expected to exponentially increase. Some models predict data centers could account for 20 percent of the world’s energy consumption by the time a child born today becomes a teen.

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Transformer Station outside Google data center in The Dalles, Oregon / Wikipedia

Many tech giants are aware of this, and have promised to use renewable energy to power their data centers. In a 2017 report on how green internet companies are, Greenpeace found Google uses 66 percent clean energy, Facebook uses 76 percent, while Amazon and Netflix use 43 percent.

Companies are making strides to keep their commitment to clean power in the face of incredible data growth. Hopefully, they can outpace the predicted tripling of their energy consumption in the next decade.

Latest Innovations in Bicycle Infrastructure

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Nelson Street Cycleway / Monk Mackenzie and LandLAB

50 percent of trips on bicycles by 2030. That is the goal of BYCS, the organization behind the Bicycle Architecture Biennale (BAB). This year’s event, the second BAB has held, highlights fifteen projects from around the globe that feature bicycle paths, parking, and crossings. NEXT Architects served as the jury, selecting 11 built projects and 4 in the conceptual or planning phases.

Each project offers innovative ways of weaving bicycles into the city through three approaches: routes, connections, and destinations. BYCS says these themes “convey the balance between moving and staying that bicycle architecture employs to create thriving, livable places.”

The exhibition opened in Amsterdam, as part of the WeMakeThe.City, the biggest city-making festival in Europe. The exhibition will travel to Rome, Oslo, and Geneva, over the next two years.

A few standout projects include:

Xiamen Bicycle Skyway: The Xiamen Bicycle Skyway in Xiamen, China, designed by Dissing and Weitling Architecture, is an 8 kilometer (5 mile) elevated bike path that runs under and around the Xiamen bus rapid transit (BRT) system. The path, painted green, hovers nearly 5 meters (17 feet) above traffic, accommodating 2,000 bicyclists at one time without impediment from motor vehicle traffic.

The skyway has 11 entry points throughout, connecting it to 11 bus stops and 2 metro stops, further integrating bikes into the transportation system. In several locations, the skyway diverges from the BRT in order to maintain comfortable grade changes or to navigate existing infrastructure.

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Xiamen Bicycle Skyway / Dissing + Weitling Architecture

Cycling Through the Trees: Biking 10 meters (32 feet) in the arboreal canopy is now a reality outside the town of Hechtel-Eksel in Belgium, where a 700 meter (2,300 foot) circular path ramps up and then back down through the forest. The length of the circular path ensures the grade stays below 4 percent, keeping the path comfortable for bikers and pedestrians alike. The large ring, designed by BuroLandschap, is an offshoot of an existing cycling network, ensuring cyclists will ride through this unique experience.

Cycling through the trees / BuroLandschap

Limburg, the province Hechtel-Eskel is in, bills itself as a “cycling haven.” Cycling through the trees is the latest project to help build that reputation. In 2016, an award winning project, Cycling through water, was implemented along the same bike network.

Nelson St Cycleway: When a highway off-ramp was closed in Auckland, New Zealand, the city saw an opportunity to convert existing, unused space along an urban highway into a cycleway, extending existing bike trails into the downtown area. The conversion into the Nelson St. Cycleway, designed by Monk Mackenzie and LandLAB, creates a 600 meter (2,000 foot)-long hot pink strip next to the highway.

Slender rectangular lights were incorporated into the fencing. The color of the lights gradually change along the ramp, creating a rhythmic glow that heightens the brilliance of the pink ground. The vibrant colors transform transportation infrastructure into a playful space for people.

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Nelson St. Cycleway / Monk Mackenzie and LandLAB

Utrecht Centraal Station Bicycle Parking: To create deeper connections between public transit and bicycle infrastructure, cities need to create more bicycle parking. Utrecht Centraal Station, the city’s largest rail station, has parking spaces for 12,500 bikes. The removal of a structure connecting the train station and a nearby shopping mall opened up space for Ector Hoogstad Architecten to design a new public square and bicycle storage facility.

The parking facility has a cycling path that branches off to available parking stalls, which are indicated as open or full through an electronic signage system. Bicycle commuters ride through the building directly to their parking stall, making the connection between parking and the public spaces and transit easy.

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Utrecht Station Bicycle Parking / Ector Hoogstad Architecten

Explore the other 11 projects showcased in the 2019 Bicycle Architecture Biennale.

Landscape Architecture in the News Highlights (June 16 – 30)

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Copacabana beach promenade designed by Roberto Burle Marx / Wikipedia

At The Gardner, ‘Big Plans’ Looks At How Big-Thinkers Reformed Our Cities 90.9 WBUR, 6/18/19
“They were four intellectuals famous in the world of culture and art. Frederick Law Olmsted was a journalist and social critic turned landscape architect. Lewis Wickes Hine was a sociologist-photographer. Charles Eliot was a landscape architect and city planner, and Isabella Stewart Gardner was an art collector and philanthropist.”

Serpentine Pavilion Designed to Be “Part of Surrounding Landscape” Says Junya Ishigami Dezeen, 6/19/19
“In this exclusive Dezeen video, Japanese architect Junya Ishigami explains how his design for this year’s Serpentine Pavilion was built to resemble a ‘stone hill.'”

A Brazilian Vision Blooms Anew in the BronxCityLab, 6/21/19
“The New York Botanical Garden pulls out all the stops for its new exhibit on Modernist garden designer Roberto Burle Marx.”

Designing Women Sacramento Magazine, 6/21/19
“What makes a city great? Landscape architect Kimberly Garza believes public spaces—our parks, waterfronts, plazas, gardens and other gathering spots—are the foundation of a vibrant city.”

How a Landscape Architect’s Vision for a Roadless Area Led to the Boundary Waters The Star Tribune, 6/28/19
“A young landscape architect’s vision of a roadless wilderness laid the groundwork for the Boundary Waters.”

A First Peek at Michael Van Valkenburgh’s Bennett Park, Coming Soon to Streeterville Curbed Chicago, 6/28/19
“As Streeterville’s recently completed One Bennett Park skyscraper welcomes residents, the adjacent green space that gives the building its name is coming together ahead of an anticipated grand opening later this summer.”

Round Two Opening for Salesforce Transit Center Park

Salesforce Transit Center / 3D rendering by steelblue for Pelli Clarke Pelli, Transbay Joint Powers Authority
Salesforce Transit Center / 3D rendering by steelblue for Pelli Clarke Pelli, Transbay Joint Powers Authority

Nine months ago engineers found cracks in two structural beams holding up the relatively new Salesforce Transit Center, a $2.2 billion regional bus and perhaps future rail terminal in downtown San Francisco. A $6 million investigation of all the structural components found the center is safe. While metro buses are still being re-routed, the 5.5-acre rooftop park designed by PWP Landscape Architecture will open again July 1.

According to an article by San Francisco Chronicle architecture critic John King in Planning magazine, the new Salesforce Transit Center, which replaces an outdated regional bus terminal, is the culmination of the broader 21-block Transit Center district plan, a redevelopment effort for a previously commercial and light industrial zone south of Market Street and the Financial District. The plan killed two birds with one stone: it both created a new, dense mixed-use neighborhood that can accommodate 6.5 million square feet of new office space and 4,400 new apartments, including affordable ones; and generated the land sales and developer fees needed to pay for the multi-billion-dollar terminal.

The development has resulted in a number of new skyscrapers, including the 1,070-foot-tall Salesforce Tower, the tallest building in San Francisco and one that Salesforce paid some $100 million over 20 years to put its name on; 181 Fremont, which, at 55 stories, is the tallest residential building on the west coast; and One Rincon Hill, two 50-story-plus residential towers. In addition to a 190-unit, 8-story affordable housing complex at Folsom and Beale streets, a new 392-unit tower by architect Jeanne Gang will reserve approximately half of the units for sale at “120 percent of regional income level, which means a couple making $114,000 would be eligible,” King wrote.

The transit center, which links up with the Salesforce Tower, is managed by the Transbay Joint Powers Authority and designed by a multi-disciplinary team including Pelli Clarke Pelli Architects, PWP Landscape Architecture, Atelier 10, BuroHappold engineers, and artist Ned Kahn. The center was pre-configured to handle a subterranean high-speed rail station, but progress on that front is stalled indefinitely as California governor Gavin Newsom and then the Trump administration pulled funding. There are plans underway to build a $6 billion tunnel to connect the transit center to the Caltrain regional train system, but there are also concerns about the new station’s projected capacity.

Salesforce Transit Center diagram / Ned Kahn

Transit and cost woes aside, the park on its roof is a marvel of engineering and adds a major new amenity to the area. In an interview, Adam Greenspan, ASLA, a partner at PWP Landscape Architecture, said the design team was determined that the terminal “not be like Port Authority” in New York City, a grim space people want to get through as soon as possible. The park made ample room for rooftop skylights and opaque glass surfaces that can be stood on, which bring natural light streaming down through to lower-level bus platforms, shops, and restaurants.

Skylight at Salesforce Transit Center / Wikipedia
Opaque structural glass floors let light stream in below / PWP Landscape Architecture

Greenspan said the 5.5-acre park is about one block wide and about 3-4 blocks long, a space equal in size to Union Square, Yerba Buena, and South Park, the other nearby green spaces, combined.

Salesforce Transit Center park / Wikipedia

Amid green roofs, there are meandering paths, play areas, cafes and restaurants, hilly lawns, plazas and an amphitheater for free community exercise and art classes, and intimate chill-out nooks.

Meandering paths at Salesforce Transit Center / PWP Landscape Architecture
Lawns at Salesforce Transit Center / PWP Landscape Architecture
Plazas at Salesforce Transit Center / PWP Landscape Architecture
The amphitheater at Salesforce Transit Center / PWP Landscape Architecture

Green infrastructure systems capture stormwater and recycle greywater from the building in rooftop wetland gardens.

Wetland Garden at Salesforce Transit Center / Marion Brenner for PWP Landscape Architecture

An art piece by Kahn includes linear fountains that jet in response to the flow of buses below.

Art work at Salesforce Transit Center / PWP Landscape Architecture

Like the High Line in NYC, the Salesforce Transit Center features unusual mixes of plants to draw you in and keep your interest. Here, they are grouped into botanical exhibitions such as the fog garden, the Australian garden, and the Chilean garden, which features the strange and charming Monkey Puzzle tree, a spiky evergreen and “living fossil” native to Argentina and Chile.

Desert garden at Salesforce Transit Center / Marion Brenner for PWP Landscape Architecture
Monkey puzzle tree in the Chilean Garden / Flickr

PWP also ensured multiple forms of access — there are stairways, elevators, and an accessible gondola that take visitors from the street to the park and back.

Like PWP’s new Jewel Changi terminal in Singapore, the Salesforce Transit Center Park shows the way to the future, successfully making the case for integrating high-quality green space into future large-scale transit projects, particularly those in dense cities.

Berms Aren’t Enough: NYC Shifts Course on “Big U” Resilience Plan

East River Park / Bjarke Ingels Group, NYC Government

To protect against future super storms and long-term sea level rise, New York City proposed creating a set of landscaped berms around the southern tip of Manhattan, a plan deemed the “Big U.” The city secured some $330 million from the U.S. department of housing and urban development (HUD)’s Rebuild by Design competition in 2014 to kick start the project. After four years of intensive community engagement, the city suddenly switched gears last fall, throwing out those plans in favor of raising the first proposed segment of the Big U — the waterfront park between 25th street and Montgomery Street on the east side — by 10 feet. Instead of berms, the existing 60-acre East River Park will be buried under landfill and its new higher edge will become a wall holding back the East River, which is expected to rise with the Altantic Ocean by 2.5 feet by 2050.

In conjunction with retractable flood gates set within neighborhoods, the park will provide flood protections up to 16 feet above current sea level, protecting 100,000 residents along the east side and the Franklin Delano Roosevelt (FDR) Drive.

At a Dumbarton Oaks symposium on landscape, sport, and environment, landscape architect Simon David, ASLA, a founder of OSD|Outside and former director of the project for Bjarke Ingels Group (BIG), explained the facets of the $1.5 billion project, which he said provides both “recreation and resilience in the era of climate change.”

The East River Park revamp is a central component of the East Side Coastal Resilience Project (ESCR), just one piece of what will be wall, gate, and park infrastructure that run down the east side, around the financial district, and up the west side of Manhattan. The east side design team includes Bjarke Ingels Group (BIG), AKRF, One Architecture, and Mathews Nielsen Landscape Architects (MNLA).

The area near this first segment has an interesting history. Famous (and infamous) city builder Robert Moses cleared the area of “slums” in order to create the FDR Drive (then the East River Drive) highway and to its west, affordable housing complexes. To the east of the drive, the shoreline was built up over landfill into the East River, creating new park space and sports fields for the complexes’ residents, who now cross a less-than-ideal caged bridge over FDR Drive to get there.

David called the park itself a “gallery of fences,” separating the various sports areas, with few pleasant green spaces. Salt water intrusion has killed off a number of the trees. And the ones that remain are “reaching the end of their lives.”

East River Park / Wikipedia

The new vision released by the city last fall has been controversial. According to The New York Times, elements of the community feel like they weren’t consulted on the new sea wall approach approved by Mayor Bill de Blasio’s administration.

To raise the entire park up, what’s there now will be covered in landfill, which upsets some long time residents, particularly because the city just spent $3 million to renovate it. There are also concerns about the increased project costs. The original plan with the berms would have cost $765 million, while the new raised park will cost nearly $1.5 billion. Carlina Rivera, a councilwoman from the East Village, told The New York Times: “The new plan represents a fundamental departure from anything the City had discussed. The mayor’s office has failed to provide detailed analyses on why the cost increase is necessary.”

NYC parks and recreation commissioner Mitchell J. Silver told The Times that raising the park up is the only way to save it from sea level rise. City representatives have also said they are moving forward on an accelerated planning and design schedule in order to begin construction next year. They have to or will forfeit the $330 million from HUD.

Flood protections are expected to be in place by 2022. But in a compromise with the community, the city will stagger construction so as to reduce impact on the community that depends on the park and all the vehicle drivers who rely on FDR Drive.

The challenge for the design team has been to integrate the sea wall, retractable inland gates, pedestrian bridges, sports facilities, and social spaces bisected by a highway into one cohesive design.

In the latest and nearly final designs, the team widened the important Delancey Street Bridge and created a continuous, accessible pathway across FDR Drive to the park.

Delancey Street Bridge / Bjarke Ingels Group, NYC government

The city and design team kept soccer and football fields, basketball courts, tennis courts, but also added an amphitheater, open lawns, and a playground near the north end. “We created more green space in between the fields, creating parks for non-sports people,” said David. Those green spaces will include more than 50 species of trees, much more than the three species there now, including water-friendly black tupelos and cypresses.

East River Park / Bjarke Ingels Group, NYC Government
East River Park / Bjarke Ingels Group, NYC Government
East River Park / Bjarke Ingels Group, NYC Government
Nature playground / Bjarke Ingels Group, NYC Government

Green infrastructure will be incorporated throughout to manage stormwater coming in from the city and FDR Drive. To accommodate major storm events, the park will also include a cistern with a 40-million gallon capacity. “This is for the super storm that happens once every 50 years.”

Caren Yglesias, Affil. ASLA, a landscape historian and author, now based at the University of Maryland, asked David: “what will happen when the sea levels rise and don’t come back down? What will happen after 2050?”

David said the “park will be effective for a period of time, and many lives will be improved.” But the city and team have really only planned for 2050. “Things are changing rapidly. This buys us more time. There is no great solution.”

The Next Generation of Landscape Architecture Leaders (Part 1)

LAF 2018-2019 Fellows for innovation and leadership. From left to right: Davi de la Cruz; Andrew Sargeant; Sanjukta Sen; Pamela Conrad; Lauren Delbridge; Karl Krause; Maisie Hughes

The Landscape Architecture Foundation (LAF) is helping to grow the next generation of leaders in landscape architecture. At a symposium at Arena Stage in Washington, D.C. seven of the 2018-2019 LAF fellows for innovation and leadership, who each received a $25,000 grant, presented the results of their year-long investigations into climate change and sustainable design, community development, visual representations of landscape, and other topics.

Below are summaries of four fellows’ TED-like talks. Read part 2 for the other three.

Maisie Hughes: Investigating the Sense of Belonging through Video

The Urban Studio, a non-profit organization founded by Maisie Hughes, owner of Design Virtue, and Kendra Hyson, aims to help communities of color design their own neighborhoods. This is because Hughes believes “we have yet to fulfill the promise of landscape as common ground.”

Inspired by the intrusive thought, “Do I belong here?”, while at Dumbarton Oaks, a garden in Georgetown, Hughes began to explore how comfortable people felt in spaces through the documentary web series, Belonging. Hughes felt a certain sublime quality that she felt wasn’t meant for her, deciding instead to reclaim and redefine the word as: Rare+Awe.

The reclamation of an often unapproachable concept was the first step towards learning to “claim a space,” which Hughes defines as “getting comfortable being uncomfortable.” Hughes discussed the complex community identity issues associated with Malcolm X Park (officially known as Meridian Hill Park) in Washington, D.C. where a drum circle forms every Sunday, creating a diverse collective from the surrounding community. This is a claim to the space, one born from the community, which demonstrates the large gap between the official name of the park and the community that enlivens it.

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Still from Becoming web series with people dancing at the Malcolm X Park Drum Circle / Maisie Hughes

Daví de la Cruz: Collective Storytelling in South Los Angeles

Working as the Studio South Central component of The Urban Studio, Daví de la Cruz, a project manager with the Los Angeles Neighborhood Land Trust, works to empower youth in the Pueblo del Rio community in south Los Angeles. De la Cruz develop youth leadership within the community by helping them create their own narratives. The program also encourages youth to reengage with nature in their neighborhood.

De la Cruz offered seven workshops, each focusing on a different form of collective storytelling that expands the communication skills of the students. These ranged from the creation of a group poem to photographing their own neighborhood. An upcoming workshop focuses on the story of South Central Farm, the largest urban farm east of the Mississippi. The farm operated from 1994 to 2006, when it was sold amid controversy.

Continuing to work with The Urban Studio, de la Cruz intends to develop and expand the workshop program to strengthen the community’s connection to local green space.

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Workshops de la Cruz ran for the youth of Pueblo del Rio / Daví de la Cruz

Andrew Sargeant: New Forms of Landscape Representation

Disillusioned with the typical sunny renderings of landscape architecture, Andrew Sargeant, Assoc. ASLA, a landscape designer with Lionheart Places, is instead exploring how to use virtual reality (VR) to bring landscape representations to life. Sargeant contrasted the before and after perspectives of Humphrey Repton with an immersive video produced with the video game design engine Unity, to display the power of visually depicting the passage of time.

Sargeant decided to spend the year of the fellowship to dive into the Unity software. Although Unity has a steep learning curve, Sargeant was able to develop representations beyond the classic sunny landscape images. The final video displayed was a stormy day, complete with lightning, booming thunder, and pouring rain. Showing different, often undesirable, conditions like flooding can help clients and communities understand how landscapes can change and adapt.

Sargeant wants to encourage the spread of this technology in landscape architecture educational programs. To spur this along, he has created a competition focused on VR landscape representation, at Utah State University (USU) this fall.

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Still from Sargeant’s flooded landscape virtual reality simulation / Andrew Sargeant

Karl Krause: Spaces that Build Community in Public Housing Complexes

Karl Krause, ASLA, a landscape architect with OLIN, developed a set of principles for how to better integrate small green public spaces into public housing. He traced the history of public housing from its beginning in the 1930s through the fall of Pruitt Igoe in 1972, highlighting the role of the courtyard in the success, or failure, of community development.

A recent trend is to incorporate public housing into larger market-price developments in order to create mixed-income communities. Residents of these communities Krause spoke to felt the new developments had ruined the sense of community that was present in dedicated housing complexes for low-income residents. After interviewing many members of low-income communities that have undergone redevelopment, Krause recommends designing with the following principles:

  • Let plants create place: Keep existing trees to create a sense of character and retains the spirit of the place;
  • Create places for good neighboring: Spread public space throughout the community, offer many small places for socializing;
  • Places for people, not cars: Eliminate oversized parking lots and offer more public space instead to improve social life.
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Old trees maintain character and create places, High Point Neighborhood in Seattle / Karl Krause

Read part two featuring the other three LAF Fellows.

The Next Generation of Landscape Architecture Leaders (Part 2)

LAF Fellows. From left to right: Davi de la Vida; Andrew Sargeant; Sanjukta Sen; Pamela Conrad; Lauren Delbridge; Karl Krause; Maisie Hughes

The Landscape Architecture Foundation (LAF) is helping to grow the next generation of leaders in landscape architecture. At a symposium at Arena Stage in Washington, D.C. seven of the 2018-2019 LAF fellows for innovation and leadership, who each received a $25,000 grant, presented the results of their year-long investigations into climate change and sustainable design, community development, visual representations of landscape, and other topics.

Below are summaries of three fellows’ TED-like talks. Read part 1 for the other four.

Sanjukta Sen: Landscape Resilience in New York City

Hurricane Sandy flooded 51 square miles of New York City, killing 43 people, damaging 12,000 homes, and causing $19 billion in property losses. But you wouldn’t think NYC’s policy makers or developers have learned from what can happen when you develop in areas that naturally flood. Former NYC Mayor Michael Bloomberg’s administration further opened up the waterfront and floodplains to development, a process that continues unabated under Mayor Bill de Blasio. Just one example: 3,500 new apartments will be built in the floodplain in Williamsburg and Greenpoint, Brooklyn. According to Sanjukta Sen, a senior associate at James Corner Field Operations, the “ludicrous” part is that the “net value of property in the floodplain has gone up.”

NYC’s expanded waterfront development fills Sen with both “pride and dread.” Pride because there are all these “amazing new places on the waterfront, which is now much more accessible.” Dread because she worries the city has not effectively and equitably created resilience to rising sea levels. “There are islands of protection that developers can afford but low-income communities don’t have the same protections.”

After Hurricane Sandy, the city quickly mandated that buildings build in protections, like elevating themselves or moving critical infrastructure out of ground or basement levels. But there is no cohesive landscape resilience strategy along public waterfront spaces. One solution is to take more waterfront land from developers for natural flood protection systems that can reduce the entire community’s risks. Sen proposed mandated setbacks and floodwater storage systems and incentives for developers. “Resilience is a social obligation and requires a long-term investment.”

Pockets of resilience across private parcels / Sanjukta Sen

Lauren Delbridge: Rethinking Wastescapes

In 2015, communities had to find a safe storage place for or re-use 117 million tons of coal ash, a by product of coal energy production that accounts for half of all municipal waste. According to Lauren Delbridge, Assoc. ASLA, a landscape designer with Land Design, coal ash is often pumped into poorly-designed ponds that can spill and seep. Coal ash sludge in these ponds, which can span 50 acres, is loaded with dangerous metals like arsenic, mercury, lead, and chromium that can poison groundwater supplies. Even more terrible, these ponds can break their banks, as in the case of the Kingston Fossil Plant in Tennessee, which released 1.1 billion of coal fly ash slurry into nearby communities and rivers. This kind of disaster could happen to any of the 735 active coal ash ponds in the U.S., many of which don’t meet safety requirements.

In 2014, the Environmental Protection Agency (EPA) determined coal ash to not be a hazardous waste product, putting the management of this toxic material into the hands of state governments. Some 60 percent of coal ash is recycled into concrete or grout or used to fill up old mines. Some ash fly is being “de-watered” and moved into sealed mounds that have a protective bottom layer and landscaped cap.

Delbridge called for more “imaginative solutions” for these unsightly ash fly-filled mounds, pointing to educational and artful places in Europe that have arisen out of industrial and waste landscapes in Germany, like Zollverein coal mine complex in Essen, which has been “left as is” and now functions as a park; the Tetraeder on Halde Beckstrasse in Bottrop, an inventive art piece on a slag heap mound; and the Metabolon in Lindlar, which includes fun trampolines at the top of the giant mountain of garbage.

Metabolon in Lindlar, Germany / Lauren Delbridge

Pamela Conrad: Climate Positive Design

Landscape architecture projects can be carbon-intensive but they don’t have to be. Specifying low-carbon materials and low-maintenance green spaces and planting more trees and shrubs helps to ensure projects sequester more carbon than they emit through their life spans. For Pamela Conrad, ASLA, a principal at CMG Landscape Architecture in San Francisco, it’s as simple as doing the math: sources (materials used in a landscape) subtracted from sinks (the carbon captured in a landscape) added to the costs (carbon embodied through long-term maintenance) equals a landscape’s carbon footprint. With this algorithm, landscape architects can achieve carbon positive landscapes in just 5 years for parks and 20 years for plazas.

To spread this approach in the marketplace, she has invented an easy-to-use website and app that will help landscape architects and designers find appealing ways to reduce their project’s carbon footprint.

Climate Positive Design / Pamela Conrad

Material amounts and site dimensions are inputted and then the app calculates the number of years it will take for the project to be carbon positive. The tool also offers recommendations, like cement substitutes, ways to reduce paved surfaces and lawn, add more trees and shrubs, and minimize soil disturbance — all to reduce the time needed to reach a state of carbon positivity.

Climate positive design / Pamela Conrad

Conrad said environmental product declarations for landscape materials will soon be incorporated as well, making it easier to find products with transparent carbon profiles. (The landscape product marketplace is far behind the architecture product marketplace in providing this information).

Conrad believes that if all landscape architects around the world adopted a climate positive approach, the reduction in carbon emissions would equal a gigaton, putting landscape architecture among the top 80 solutions listed in Paul Hawken’s Drawdown book.

Check out the website and app at ClimatePositiveDesign.com.

Island Life: New Communities Form off the Coast of San Francisco

Treasure Island and Yerba Buena Island / CMG Landscape Architecture

Treasure and Yerba Buena islands are about a mile off the northeast coast of San Francisco. They have a strange history. They were originally part of the city of San Francisco before they were confiscated by the federal government as naval and coast guard bases during World War II. The federal government then sold the islands back to the city government, which in turn created the Treasure Island Development Authority (TIDA) and sold much of the property to real estate developers Wilson Meany, Lennar Urban, and Kenwood Investments.

As San Francisco housing prices continue to skyrocket, the aim is to create 8,000 new housing units on the islands, nearly a third of which will be affordable, transforming these islands into the “next great neighborhood” just 12 minutes by ferry to downtown San Francisco. On the 425-acre Treasure Island, some 300 acres will be turned into public parkland, creating the largest new public green space in the city since Golden Gate Park. This is the kind of grand city-building rarely done in the U.S. anymore.

At the American Planning Association (APA) conference in San Francisco, one of the developers, Wilson Meany, and the planning and design team, SOM and CMG Landscape Architecture, walked us through the many facets of the $1.5 billion development, which integrates the latest thinking on both sustainability and resilience.

First, a brief history of the islands: In the 1930s, the San Francisco — Oakland Bay Bridge was constructed, linking downtown San Francisco to Yerba Buena and Treasure Island and then those islands to Oakland.

The very-flat Treasure Island was built up in 1936-37 through tons of imported rocks added over shallow shoals, all in time to become the site of the 1939 World’s Fair, which was officially named the Golden Gate International Exposition. The island later became a municipal airport, where the Pan Am clipper flew to Shanghai. Now, only those passenger terminals and hangars remain, and they are the only historic, protected buildings on the island.

Treasure Island / TIDA

At the onset of World War II, the U.S. government confiscated the island and transformed it into a naval station, an embarkation point for the Pacific theater of war. In the 1950s and 1960s, Treasure Island was the site of the U.S. Navy Naval Technical Training Center (NTTC). And according to the book Gay by the Bay: A History of Queer Culture in the San Francisco Bay by Susan Styker, there was also a dark, cruel episode in the island’s history: a psychiatric ward on the base was used to study and experiment on naval sailors who were being discharged for being gay. The base facilities closed in 1997 through the base realignment and closure (BRAC) program. The federal government remediated brownfields that littered the landscape, opening up the island for residential and commercial development.

In contrast with the flat artificial nature of Treasure Island, the nearby Yerba Buena Island is nature made, very hilly, and rich in native plant and bird life. Once called Goat Island or Sea Bird island, this smaller 150-acre island has a similar history. The U.S. federal government confiscated it and managed as part of the Treasure Island naval base. The island was home to officer housing, including for residence for Admiral Chester W. Nimitz, who was commander of the Pacific fleet in World War II. There is now a U.S. coast guard search and rescue base and clipper boat cove. Across both islands, there are now a few thousand people living full-time.

Yerba Buena Island / TIDA

According to Chris Meany, a partner at Wilson Meany, the process of developing the island started in earnest in the 2000’s. After a decade-long “mind boggling” negotiation process, Mayor Gavin Newsome agreed in 2009 to pay the federal government $105 million for Treasure Island, while the federal government retains some 40 acres for U.S. Department of Labor Jobs Corps facilities and a section of Yerba Buena Island for the U.S. Coast Guard. In 2005, the first land plan was developed by the city and a team of developers at Wilson Meany, Lennar Urban, and Kenwood Investments. The plan included a development rights swap between Treasure and Yerba Buena islands in order to protect 75 percent of the richly bio-diverse Yerba Buena from development and concentrate denser housing on Treasure island.

Treasure Island and Yerba Buena Master plan / CMG Landscape Architecture

For the new communities on the co-joined islands, the city and the developers aimed for sustainable and resilient design excellence. This involves creating public transit access; orienting communities to reduce wind; building sustainable and resilient housing, parks, and promenades; and creating a massive park that can adapt to rising sea levels.

Leo Chow, a partner with SOM, said Treasure Island is a beautiful place with access problems. Right now, visitors can either drive, bike, or take the bus over the Bay Bridge — just one route. A new ferry terminal in development on Treasure Island will add an important option and take people to and from downtown San Francisco in 12 minutes. At the new ferry landing, people can also hop on a bus or access bicycle lanes. “It will be possible to circumnavigate the island by bike.”

The new commercial and residential eco-districts are oriented on a “parallelogram grid” to maximize sun exposure but reduce the impact of high winds coming off the bay.

Parallelogram grid / CMG Landscape Architecture

The commercial district will include a retail corridor in the historic airport terminals and hangars. Residential communities themselves will be compact developments, 90 percent of which will be a 10-15 walk from the primary ferry and bus terminal.

Amid the new housing, there will be smaller, shared streets that privilege pedestrians and bicyclist instead of cars, leading to pocket parks and coastal parks, promenades, and bicycle pathways.

Compact neighborhood development with shared streets / CMG Landscape Architecture
Neighborhood parks / CMG Landscape Architecture

Neighborhoods themselves will mimic San Francisco’s urban feel — the “white, gold city.” Architects will follow rigid design standards calling for white buildings. “It will be a light-colored city against rich nature.”

Kevin Conger, FASLA, a founding partner at CMG Landscape Architecture and an integral part of the design team for the islands, said the public spaces were designed with both the 15,000-20,000 full-time residents and the many thousands of expected visitors in mind.

The public spaces had to be thought of as an “attractive destinations for the whole city — a city-wide waterfront park and a regional open space destination, with sports fields, a 20-acre urban farm for local food production, and natural areas, along with facilities for kayaking, sailing, and bicycling.”

Treasure Island development / SOM

CMG thoughtfully designed all the landscape infrastructural systems to be multi-purpose, too. The green spaces ensure that the island manages 100 percent of its stormwater run-off but also create habitat for wildlife. An island waste water treatment plant funnels reclaimed water to wetlands and is used for irrigation. “The goal was to close all these cycles in a self-contained eco-district.”

The large parkland was designed to accommodate future sea level rise as well. “We purposefully set-back developments 350-feet from the shoreline, so we may protect the community now and accommodate further future adaptation.” In the area called the wilds, which is filled with adaptable wetlands in an inter-tidal zone, the park will naturally recede or retreat as waters rise. The designers anticipated sea level rise out beyond 2070, and future adaptation needs are covered in the long-term budget.

Nature area of the Treasure Island park / CMG Landscape Architecture

Overlaying the ecological elements is a public art master plan, which puts 100 percent of art in the public realm, “increasing the cultural value of the parks.” Conger believes art is an important ingredient in a walkable public realm — “it’s so critical to reward pedestrians with a high-quality walking environment.”

Local landscape architecture firms, like Andrea Cochran Landscape Architecture and Hood Design Studio, are filling in pieces of the parks on Treasure Island and Yerba Buena Island as well. Cochran is designing the plaza for the multi-modal ferry and bus terminal around building 1, while Walter Hood, FASLA, is creating a new park with 360 degree views at the peak of Yerba Buena Island that is also expected to become a regional destination park.

Treasure Island plaza / Andrew Cochran Landscape Architecture

Over on Yerba Buena Island, where CMG devised a comprehensive wildlife habitat management plan that creates “natural landscape patches,” connected habitat for birds and plants. Some 75 percent of the island will be reserved for parks, beaches, and 5 miles of walking and bicycling trails.

Beach on Yerba Buena Island / CMG Landscape Architecture
Views from Yerba Buena Island / CMG Landscape Architecture

Working with the San Francisco department of the environment, the team has already removed invasive species and propagated many thousands of native plants from seeds and then planted them back into the island.

Norfolk Forges a Path to a Resilient Future

Norfolk flood zones in orange / Norfolk Vision 2100

Surrounded by water along 144 miles of shoreline, Norfolk is highly vulnerable to sea level rise. The city is the second largest in Virginia, with a population of 250,000. It’s home to the world’s largest naval base, which hosts 100,000 federal workers and function as a city within the city. Its port is the third busiest in the country. The core of the city is the employment center for a region of 1.5 million people. All of this is under significant threat.

To better prepare for a changing future, Norfolk has undertaken an impressive set of resilience planning efforts, which have culminated in Vision 2100, a comprehensive 2030 plan, a new green infrastructure plan, and, finally, a new resilience zoning code approved last year. These efforts were supported by Dutch government water experts through a series of “dialogues,” the Rockefeller Foundation’s 100 Resilient Cities program, and a $115 million grant from the National Disaster Relief Competition, a program organized by the U.S. Department of Housing and Urban Development (HUD), to build resilience in the Ohio Creek watershed, which encompasses the Norfolk State University campus and the low-income Chesterfield Heights neighborhood.

At the American Planning Association (APA) conference in San Francisco, we heard about Norfolk’s recent efforts to live with with water while protecting vulnerable low-income areas, revitalizing and creating new urban centers, and ceding some parts of the city back to the ocean.

According to Martin Thomas, vice mayor of Norfolk, the question is: “how do we create a high quality of live given we are facing rising waters?” The answer involves creative economic, social, and environmental solutions that will lead to a transformed city.

Thomas said 30-40 percent of the regional economy is dependent on federal funding, “so we are diversifying the local economy.” There are disconnected communities with concentrated levels of poverty, so the city is investing in mixed-income redevelopment projects. There is recurrent flooding that can result in 2-3 feet of water rise, so the city is creating the “designed coastal systems of the future.”

An example of what Norfolk is dealing with is the highly vulnerable area of Willoughby Spit, which is 3 miles long and 3 blocks wide and where thousands of residents live. This area is a chunk of the local tax base, but “it won’t exist in a few decades.”

Willougby Spit / Pinterest

Through its Vision 2100 process, Norfolk mapped its most valuable assets, which included the Naval base, airport, botanical gardens, and the historic downtown core. Through comprehensive public meetings, city policymakers, planners, and residents created a map of where flooding is expected to worsen, where investments in hard protections and green infrastructure will be focused, and where the “future urban growth of the city will be built.”

The vision organizes the city into four zones: red, yellow, green, and purple.

Vision 2100 map / Norfolk city government

Red areas on the map are vital areas that will see “expanded flood protection zones; a comprehensive 24-hour transportation network; denser mixed-use developments; diversified housing options; and strengthened economic options.” These include the naval base, universities, ports, shipyards, and medical facilities that can’t be moved. Future housing and economic growth will be steered into these areas, which will be made denser. The red zone will receive priority levels of investment in both hard and green resilient infrastructure while maintaining access to the water.

The yellow zone will be where the city helps Norfolk residents adapt to rising waters and where it also cedes land back to the water. Programs there will aim to “exploit new and innovative technologies to reduce flood risk to the built environment; focus infrastructure investments on improvements that extend resilience; educate current residents about the risks of recurrent flooding; develop mechanisms to enable property owners to recoup the economic value lost to sea level rise; and develop a solution for sea level rise adaptation in historic neighborhoods.” Here, the focus is on more resilient housing, raised 3-feet above flood levels, and the widespread incorporation of green infrastructure.

The green zone features communities already on higher ground, safe from flooding, where Norfolk will create new transit-oriented development and resilient urban centers that can accommodate future growth.

The purple zone is where Norfolk will create the “neighborhoods of the future,” improving connections to key assets, creating affordable housing, and redeveloping under-performing residential and commercial areas. According to Vision 2100, the city found that 40 out of 125 neighborhoods were deemed assets and therefore not subject to major “transformation” — a euphemism for redevelopment or letting them be subsumed by rising waters. In many of these historic neighborhoods, which are found in the purple zones, small-scale improvements will be made to improve the quality of life — more parks, sidewalks, libraries, and community centers.

Norfolk’s 2030 comprehensive plan, green infrastructure plan, and resilience zoning code are the primary ways in which the city is moving towards this vision.

George Homewood, Norfolk’s planning director, said that zoning requirements are a “blunt instrument” that they tried to make more flexible through a “resilient zoning quotient,” a system that developers and property owners can use to accumulate points to meet requirements. The zoning system itemizes “must do’s, should do’s, and nice to do’s (bonuses) for developers.”

Requirements differ depending on the expected level of risk to water rise, but must-do’s include green infrastructure for stormwater management, risk reduction through raising homes by 3-feet above flood levels, and energy self-sufficiency. The zoning ordinance seems critical to achieving the city’s ambitious green infrastructure plan, which also fits together with the vision and 2030 plan.

Green infrastructure plan for Norfolk, VA / City of Norfolk

Back-up power generation is not only required for the usual places like hospitals, schools, nursing homes, and assisted living facilities, but also important community utilities like pharmacies, grocery stores, banks, and gas stations.

Vlad Gavrilovic with EPK, planning consultants to Norfolk, further explained that the new zoning code built off of existing neighborhood, landscape, and building design standards, the “pattern language” so critical to informing neighborhood character.

Homewood believes “climate change and sea level rise are very real to the folks who suffer from recurrent flooding.” But rolling-out the new, more complex zoning ordinance hasn’t been without its challenges, and the city planning department is on their fourth round of tweaks to address “unintended consequences.” Perhaps that is to be expected given it’s the “first, most-resilience focused zoning ordinance in the country.”

In a later conversation, Vaughn Rinner, FASLA, former ASLA president and long-time resident of Norfolk, who was deeply involved in these planning efforts for decades, said that Old Dominion University in downtown Norfolk was key to kick-starting the multi-decade-long effort to make Norfolk more resilient. “Back in 2010, the university started an initiative to prepare Norfolk for sea level rise, asking Larry Atkinson in the oceanography department to lead a cross-disciplinary effort and create a coalition with the community that exists to this day. That was many years ago, but it was then that the seeds were planted for the approach we see today.” That approach, Rinner said, uses public-private partnerships and creates bottom-up, community-driven solutions that transcend politics. “Environmental issues are so close to people in Norfolk and Hampton Roads; it doesn’t matter if you are Democrat or Republican.”

For her, Norfolk’s resilience plans and codes are a true model for other communities because they show what can happen after years of effort — “major change seems to coalesce all of the sudden.”

More than 150 Cities Compete to Document Wild Urban Nature

Washington D.C. City Nature Challenge

In 2016, Lila Higgins at the Natural History Museum of Los Angeles County and Alison Young at the California Academy of Sciences started a friendly competition to see which of their cities — Los Angeles or San Francisco — could identify the most species of plants and animals over a week. Harnessing the enthusiasm of citizen scientists, they launched the City Nature Challenge. Three years later, 159 cities around the world participated in this year’s competition, making some 960,000 wildlife observations, identifying tens of thousands of species, and discovering new ones in the process.

According to this year’s “leadership board” at the City Nature Challenge, Cape Town, South Africa took the top prize with 53,000 observations and 4,500 identified species, contributed by 1,100 citizen scientists. La Paz, Bolivia, made 46,000 observations and identified 3,000 species, with the help of 1,500. In third place is San Diego county, California, which made 38,000 observations and identified 3,000 species through the work of 1,100 locals.

Stella Tarnay, co-founder of Capital Nature (formerly Biophilic DC), said that Washington, D.C. placed in the top 20 in terms of the number of participating citizen scientists, observations, and species identifications. Some 1,200 people got involved through 120 events to collect nearly 30,000 observations and identify 2,250 species. While D.C. did well on observations, the city fell short on species identification.

Around the world, City Nature Challenge citizen scientists used the free iNaturalist app, which was created by the National Geographic Society and the California Academy of Sciences a decade ago, to crowdsource the identification of biodiversity. More than a million citizen and real scientists are now active on the app and have helped each other identify 180,000 species observed 16 million times in cities and the wild. The app is now also assisted by artificial intelligence.

Data was aggregated into local city challenge groups within iNaturalist. Once set up on the app, citizen scientists take photos of native or cultivated trees and plants, as well as fungi, insects, reptiles, and mammals. According to Tarnay, the scientists who run iNaturalist prefer “volunteer” plants, meaning they grew wild in a particular spot and weren’t planted there.

iNaturalist encourages users to take multiple photos of a species, add in notes, and mark the location of the species. Once uploaded, the app then considers that an observation and then offers up possible identifications. Once someone has confirmed the identity of a species, it becomes a “casual grade” identification. Once two users on the app have verified the species, the identification is determined to be “research grade.”

Research grade identification of Mayapple / iNaturalist

For one observational adventure on the National Mall — organized by the Potomac Chapter of ASLA and AIA DC’s committees on well-being and urban design and supported by Capital Nature — urban designer Michiel de Houwer created a handy map, identifying where different types of animals may be found via 5-minute walk zones. Smartphones in hand, we trekked to the National Museum of the American Indian to find native plants.

Map of biodiversity by walking zone / Michiel de Houwer
National Museum of the American Indian, designed by EDAW (now AECOM), Washington, D.C. / photo by OLIN, from the Landscape Architect’s Guide to Washington, D.C.

At the end of the week-long bioblitz in D.C., Tarnay said the most identified species were:

Plant: Mayapple (Podophyllum peltatum) – 279
Bird: American Robin (Turdus migratorius) – 143
Mammal: White-tailed Deer (Odocoileus virginianus) – 111
Butterfly: Eastern Tiger Swallowtail (Papilio glaucus) – 68
Amphibian: Eastern Red-backed Salamander (Plethodon cinereus) – 66

In addition to helping map the extent of biodiversity and getting more young people outdoors to connect with nature, City Nature Challenge has led to the discovery of new species. One estimate find there are 8-9 million species on the planet, but only around 1.75 million have been discovered, identified, and catalogued, leaving 80 percent unknown. More recently, a group of scientists estimated that there could be up 1 trillion species on the globe if we include bacteria, archaea, and microscopic fungi, which could mean some 99.99 percent remain undiscovered.

The latest dire report from the United Nations makes clear why the public needs to engage with biodiversity. The 1,500-page report produced by 145 scientists from 50 countries found that up to one million plant and animal species are threatened with extinction due to our degradation of the natural environment and climate change. Today, less than 70 percent of the forests that existed prior to the Industrial Revolution remain, with 100 million hectares cleared since 1980. Some 50 percent of coral reefs and 85 percent of wetland have been lost, while a third of the planet is now used for agriculture. The world’s most famous biologist — E.O. Wilson — has called for preserving half the Earth before it’s too late.

As this year’s challenge shows, cities like Cape Town are actually biodiversity “hot spots.” Documenting and then protecting pockets of biodiversity in cities may seem small in the grand scheme of things, but urban wildlife refuges are critical for the plants and animals that rely on them. More cities are becoming destinations for animals turned out of their natural habitats, spurring on further adaptation and evolution in ways we don’t yet understand.

In the end, the sustainability and resilience of humanity depends on the preservation of Earth’s biodiversity.