Urban Heat Island Effect

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

Mature trees shading an urban sidewalk.

The Drawback to ‘Cool Pavement’

New research suggests that cooling pavement treatments can actually make pedestrians standing on it feel hotter.

September 28, 2023 - Bloomberg CityLab

Blurred image of ciy skyline with orange filter indicating extreme heat

How to Scale Up Heat Mitigation

As heat waves intensify, cities are seeking out heat mitigation techniques that can be applied widely and benefit entire neighborhoods.

July 25, 2023 - Smart Cities Dive

Trees

Planting More Trees to Protect and Save Lives

A new study estimates that more than a third of premature deaths from excessive heat can be prevented by planting more trees in cities.

February 20, 2023 - World Economic Forum

Garden with bee houses labeled 'bee hotel' and scarecrow

How Pollinators Fight Warming Cities

Researchers are starting to understand how urban bee populations can support healthy green spaces and reduce the urban heat island effect.

October 11, 2022 - Wired

Schoolyard with leafy green trees surrounded by benches

Investing in Green Schoolyards

California's budget now includes an unprecedented investment of $150 million to create green schoolyards and schoolyard forests at K-12 schools across the state.

September 20, 2022 - Green Schoolyards America blog

Pioneer Square, Seattle

Cool Planning for a Hotter Future

Global warming increases the importance of designing buildings and communities that are comfortable, efficient, and safe in hot conditions.

August 31, 2022 - Todd Litman

View of buildings in Bangkok business district through extremely orange sunlight

What Is the Urban Heat Island Effect?

Man-made surfaces and urban density contribute to higher temperatures, intensifying heat waves and posing a growing danger to public health.

August 21, 2022 - Diana Ionescu

Green roof in Rotterdam, The Netherlands

How Rotterdam’s Green Rooftops Fight Urban Heat

An elevated park in Rotterdam shows how green roofs can cool cities and create public parks in tight quarters.

June 5, 2022 - Surface Magazine

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.

Transportation Planner I

KFH Group Inc.

Director, Strategy and Research

Greater Baltimore Committee

Senior Planner

Eagle County Government

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.