Urban Heat Island Effect

Large trees on either side of wide suburban street.

How AI Is Revolutionizing Urban Forestry and Climate Resilience

Tree-D Fusion, an AI-driven tool developed by MIT and Purdue researchers, generates 3D models of urban trees to help city planners visualize future green spaces, address climate challenges, and enhance urban livability and sustainability.

January 13, 2025 - Wood Central

Bus stop with agave mosaic in Phoenix, Arizona.

Phoenix Shade Plan Focuses on Bus Stops

The city’s updated Shade Master Plan calls for trees and built structures at bus stops to protect residents from heat.

January 9, 2025 - Smart Cities Dive

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

Public stairs in Los Angeles, California painted with rainbow and red hearts.

A Framework for Inclusive Tree Planting in Los Angeles

The Los Angeles Urban Forest Equity Collective has developed an equity-centered tree-planting framework and toolkit to address historic underinvestment and mitigate extreme heat in vulnerable neighborhoods.

December 10, 2024 - UCLA Luskin Center for Innovation

Large store in mall with yellow and black STORE CLOSING sign on front.

Shifts in Shopping: Transforming Malls Into Parks

Maybe zombie malls still have a second life — one with a little greenery.

December 8, 2024 - Ruscena Wiederholt

View looking up through large tree with blue sunny sky in background.

Improving South Los Angeles Through Strategic Tree Planting

The University of Southern California Urban Trees Initiative is planting 250 trees in South L.A. neighborhoods to improve shade, combat climate change, and enhance community well-being through collaboration and data-driven approaches.

November 25, 2024 - USC Today

Phoenix, Arizona skyline with mountains in background.

Phoenix Announces Shade Action Plan

The city has outlined 11 strategic priorities aimed at addressing the risks of extreme heat and protecting vulnerable residents from its impacts.

November 22, 2024 - Environmental Energy Leader

Paved walkway with a few people in lush green city park with large trees and benches.

Quantifying How Urban Trees Cool Cities

A new tool can help cities understand the benefits of tree planting efforts at the municipal scale.

November 7, 2024 - Phys.org

Woman in exercise clothes walking on sidewalk against large wall with mural in Phoenix, Arizona.

Research Shows Cool Pavement Coatings Can Raise Ambient Temperature

Coatings that reflect heat can make the air feel warmer for people standing on and around these surfaces.

October 29, 2024 - Smart Cities Dive

Large trees on street in Las Vegas at night.

Urban Trees Have Bigger Impact in Hot, Dry Cities

The cooling effect of robust urban tree canopies is more pronounced in hotter, drier cities like Phoenix and Las Vegas.

October 22, 2024 - U.S. Geological Survey

WMATA bus stop with sign and no bench or shelter in Washington, D.C.

DC’s Hottest Neighborhoods Have the Least Shade

Areas most exposed to extreme heat also tend to lack bus shelters and benches at bus stops.

October 4, 2024 - Greater Greater Washington

Trees in a schoolyard.

Green Schoolyards Offer Respite From Urban Heat

More schools are transforming asphalt-covered playgrounds into shady oases that help reduce temperatures and absorb emissions.

September 18, 2024 - La Voce di New York

Hand holding up an analog thermometer outdoors with trees in background.

Study: Urban Trees Lose Cooling Benefits in Extreme Heat

A robust tree canopy can help reduce the urban heat island effect and lower air temperatures, but the impact is reduced as temperatures rise.

August 14, 2024 - University of New South Wales

City park with paved walkway, green trees, and people sitting on lawn.

Advancing Sustainability and Resilience Through Parks

The Urban Land Institute offers fact sheets describing five innovative ways that parks can reduce carbon emissions and mitigate climate threats while advancing health, equity, and quality of life in urban areas.

July 31, 2024 - Urban Land Institute

View of city skyline with orange sky indicating extreme heat.

Addressing the Perils of Extreme Heat

With this year bringing on more record heat waves, governments at the local and federal levels are elevating extreme heat management as an urgent priority.

July 29, 2024 - Governing

View of Portland skyline with green trees in foreground.

Invasive Beetles Put Oregon Forests at Risk

Two recently discovered borer beetles could lead to a significant loss of tree canopy.

July 16, 2024 - OPB

Close-up of yellow lemon growing on tree poking through chain link fence.

The Promise of Urban Food Forests

Planting food-producing trees can offer both shade and a source of healthy foods in concrete-dominated neighborhoods.

February 9, 2024 - Grist

Green trees reflected in high-rise skyscrapers.

Urban Design for Sustainability

The way we build cities can have significant impacts on public health and equity.

November 16, 2023 - Colorado Newsline

Underground parking garage full of parked cars.

An Untapped Energy Source: Underground Garages

A European study measured ambient air and groundwater temperatures in underground parking garages and found that the heat generated by these structures could potentially power thousands of households.

November 14, 2023 - Anthropocene Magazine

Road sign with EXTREME HEAT ALERT surrounded by orange traffic cones

How Extreme Heat Impacts Heart Health

A higher number of high heat days correlates with more cardiovascular deaths, according to new research.

November 6, 2023 - Wired

Urban Design for Planners 1: Software Tools

This six-course series explores essential urban design concepts using open source software and equips planners with the tools they need to participate fully in the urban design process.

Planning for Universal Design

Learn the tools for implementing Universal Design in planning regulations.

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.