Green Infrastructure

A gardener installs a patch of grass onto the roof of a shed.

The next era of climate resilience will be measured in co-benefits

Why the strongest resilience investments solve more than one problem at once.

October 12, 2026 - Joyce Coffee

A median in NYC with budding flora.

New NYC ‘sponge’ medians will absorb 5 million gallons of stormwater per year

The project will turn three medians in Queens into green infrastructure designed to absorb stormwater.

August 30, 2026 - 6 Sqft New York City

Entrance sign for Davidson Park next to Harley-Davidson HQ building in Milwaukee, Wisconsin.

Harley-Davidson turned a Milwaukee parking lot into a green oasis

The park, adjacent to Harley-Davidson headquarters, doubles as stormwater retention infrastructure.

July 26, 2026 - Smart Cities Dive

Man in rain gear rides a bicycle on a bike lane lined with grassy landscaping in Cardiff, Wales on a rainy day.

This UK city's bike lanes double as rain gardens and wildlife habitats

Cardiff is combining mobility infrastructure with greening measures to help conserve water, clean the air, and provide shade and greenery.

May 26, 2026 - Bloomberg CityLab

Prospect Park Lake in Brooklyn with fall foliage on surrounding trees.

NYC’s Prospect Park is Getting a $68 Million ‘Bluebelt’

The city plans to upgrade the park’s drainage infrastructure to channel more stormwater into its lake and other drainage ponds and reduce flooding risk.

December 14, 2025 - Smart Cities Dive

Flooded Mississippi River next to Gateway Arch in St. Louis, Missouri.

St. Louis has a Secret Stormwater Weapon Saving 100 Million Gallons from the Mississippi

The city reimburses residents who install gardens, rain barrels, and other methods that retain stormwater and decrease the risk of flooding.

October 21, 2025 - Reasons to Be Cheerful

Headshot of Torey Carter-Conneen and Kona Gray standing together.

In a Warmer, Wetter and More Disaster-prone World: “Nature is the Greatest Designer”

A conversation with the American Society of Landscape Architects’ CEO Torey Carter-Conneen and board president Kona Gray.

October 3, 2025 - April Economides

Partially underground concrete dome with circular openings and dozens of parked bicycles on University of Copenhagen campus.

How Copenhagen Became a ‘Sponge City’

The Danish capital is implementing a massive, multi-pronged strategy to build resilience against flooding and shore up water supplies during drought periods.

August 15, 2025 - Yale Environment 360

New York City intersection with red and white brick buildings and pedestrians.

Opinion: NYC Daylighting Law Would Double as Flood Protection

How a proposed law banning parking in the 20’ of curb next to an intersection throughout NYC would improve road safety and free up space for rain gardens and other green infrastructure.

August 14, 2025 - City Limits

Close-up of elevated planter box in sidewalk with alternating grass and concrete patches.

Grassroots Dutch Movement Replaces Pavement With Green Space

Neighbors engage in a practice known as “tegelwippen,” picking up paving stones and replacing them with permeable surfaces, often with the support of local governments.

May 14, 2025 - Reasons to Be Cheerful

Paved path with artesian fountain at end and tall trees arching over walkway with joggers and walkers in Savannah, Georgia.

Survey: US Public Spaces Not Meeting Community Needs

A lack of funding prevents many U.S. parks and public spaces from playing a more significant role in helping residents meet daily needs.

April 6, 2025 - Smart Cities Dive

Orange "Bike Lane Closed Ahead" sign on a-frame in roadway.

USDOT Could Pull Green Infrastructure Grants

A new department memo requires a review of projects with the goal of removing bike, pedestrian, and electric vehicle infrastructure.

March 18, 2025 - Transportation for America

View of Central Park lake with people sitting on lakeside rocks and NYC high-rises in background.

Public Parks as Climate Resilience Tools

Designed with green infrastructure, parks can mitigate flooding, reduce urban heat, and enhance climate resilience, offering cost-effective solutions to environmental challenges while benefiting communities.

March 16, 2025 - Grist

Skating rink under freeway in Bentway park in Toronto, Canada.

Montreal’s Gorilla Park Repurposes Defunct Railway Track

The park is part of a global movement to build public spaces that connect neighbors and work with local elements to serve as key parts of a city’s green infrastructure.

February 24, 2025 - The Globe and Mail

Downtown Los Angeles viewed from Echo Park with lake with artesian fountain in foreground.

A Sustainable Future for LA: Updating the OurCounty Plan

Los Angeles County is updating its Sustainability Plan to refine its vision for climate action, environmental justice, and community well-being, with residents encouraged to participate by taking the OurCounty 2025 Update Community Survey.

February 19, 2025 - Los Angeles County Chief Sustainability Office

Paved walking path next to canal in The Woodlands, Texas with office buildings in background.

Retro-silient?: America’s First “Eco-burb,” The Woodlands Turns 50

A master-planned community north of Houston offers lessons on green infrastructure and resilient design, but falls short of its founder’s lofty affordability and walkability goals.

February 19, 2025 - Greg Flisram

Tall mature green trees lining a concrete walkway next to a street with multistory apartment buildings on other side and sun filtering through the leaves.

New Interactive Tool Helps Cities Assess and Strengthen Urban Tree Canopies

A new national tree canopy assessment tool, available at TreesAtWork.org, provides high-resolution data to help cities track tree cover changes, prioritize planting efforts, and enhance urban resilience.

February 3, 2025 - Arbor Day Foundation

Red, white, and blue sandbags stacked along bridge railing and building doors and windows.

How US Communities Are Building Resilience Against Flooding

Flooding causes over $400 billion in damage in the United States every year.

January 5, 2025 - Governing

Close-up of green permeable street with concrete lattice over soil and grass.

How Cities Are Adopting Green Solutions to Combat Flooding

Cities are increasingly adopting nature-based solutions like floodable parks and green roofs to combat flooding, offering cost-effective, multifunctional benefits while requiring careful planning and integration with traditional infrastructure.

December 22, 2024 - Time Magazine

Small trees on city sidewlak with glass buildings in background.

Cities Prioritize Urban Reforestation to Combat Heat and Revitalize Communities

Cities like Phoenix, Chicago, and Boise are prioritizing urban reforestation as critical green infrastructure to combat extreme heat, address environmental inequities, and foster community revitalization.

December 20, 2024 - USGBC

FREE Course: Walkable City 1: Why Walkability?

After describing his path towards focusing on walkability as the essence of good planning, Jeff Speck marches through his five principal reasons for making more walkable places.

Reinventing Malls: Planning Alchemy—Turning Gray Fields Into Gold

The course focuses on the opportunities and imperatives that shape reinvention of mall sites.

Top Books

An annual review of books related to planning.

Top Schools

The definitive ranking of graduate planning programs.

100 Most Influential Urbanists

The who's who of urbanism, according to Planetizen readers.

Urban Planning Creators You Should Know

A short list of voices on social, video, and podcasting platforms.