Heat Deaths

A lake harbor with white boats in Martinez Lake, Arizona.

Arizona had its hottest spring in 131 years

Average March temperatures across the state were 12.5 degrees above normal.

June 7, 2026 - KJZZ

Group of children playing on splash pad in urban park.

How Extreme Heat Impacts Children

As summers get hotter and more dangerous, parents can take steps to protect kids from heat-related illnesses.

June 11, 2025 - NBC Los Angeles

Yellow roadside sign with extreme heat warning: "Danger - Extreme Conditions! - STOP - Do not hike Jun-Sep - HEAT KILLS"

Record Temperatures Prompt Push for Environmental Justice Bills

Nevada legislators are proposing laws that would mandate heat mitigation measures to protect residents from the impacts of extreme heat.

April 21, 2025 - Nevada Current

Close-up over shoulder of person holding smartphone with extreme heat warning and 105 degree temperature indicated.

Experts Call for Extreme Heat Action Plans as Communities Face Growing Risks

Experts are urging cities and counties to develop heat action plans and personalized heat warnings as extreme heat becomes a leading cause of climate-related deaths.

September 29, 2024 - NBC Los Angeles

Aerial view of green roof on Chicago Cultural Center.

HUD Issues Extreme Heat Playbook

The guide contains actionable steps local and state governments can take to protect vulnerable residents from the impacts of extreme heat.

September 25, 2024 - U.S. Department of Housing and Urban Development

Close-up of red EMERGENCY sign above hospital emergency room entrance.

Study: Heat Deaths on the Rise, Predicted to Increase

As intense heat waves become more common, the risk of heat-related deaths is rising.

September 23, 2024 - JAMA Network Open

Manhattan brick apartments with AC units on windows.

NYC Lawmaker Proposes Mandatory Cooling Law

Despite hundreds of heat-related deaths every year, the city has no regulations on cooling in residential units.

August 5, 2024 - Word In Black

Two people helping an older woman outdoors suffering from heat stroke.

Essential Strategies for Combating Extreme Heat

Cities can protect residents from extreme heat by enhancing natural and built infrastructure, establishing heat response strategies, and implementing national policies for worker safety and disaster response.

July 30, 2024 - Fast Company

Arizona Streets

Deadly Contact Burns Rising in the Southwest

As heat waves become more frequent and severe, hospitals are seeing more patients admitted with serious, sometimes life-threatening burns from asphalt and other outdoor surfaces.

July 17, 2024 - The New York Times

View of city skyline in red smog indicating extreme heat.

The Heat Is On: Rising Temperatures Strain Urban Infrastructure

This summer is predicted to be one of the hottest on record, and heat waves will likely put physical and social infrastructure to the test.

June 28, 2024 - Diana Ionescu

Worker in safety vest leaning over expressing heat exhaustion standing next to orange shipping container.

Extreme Heat’s Far-Reaching Impacts

Heat is associated with worsened mental health, poorer test scores, and even higher car crash rates.

June 27, 2024 - Fast Company

Close-up of floor fan operating with blurred woman sitting at table in background.

Cooling Costs to Hit 10-Year High This Summer

Longer, more intense heat waves are driving up cooling costs and putting low-income households at higher risk for heat-related illnesses.

June 5, 2024 - Smart Cities Dive

Sunset view of downtown Phoenix, Arizona.

Phoenix Heat Deaths Rose by 1,000 Percent in 10 Years

The last decade saw a lethal combination of higher temperatures, rapid population growth, and rising eviction rates.

June 2, 2024 - Politico

Close-up of hand holding up wooden thermometer in front of blurred street

New Forecasting Tool Aims to Reduce Heat-Related Deaths

Two federal agencies launched a new, easy-to-use, color-coded heat warning system that combines meteorological and medical risk factors.

April 24, 2024 - Associated Press via Portland Press Herald

View of hazy city skyline in yellow smog indicating extreme heat.

How Hot Will 2024 Get?

Experts predict summer temperatures could surpass 2023’s record heat waves, prompting cities to plan mitigation measures.

February 1, 2024 - Smart Cities Dive

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

Close-up of hand holding up wooden thermometer in front of blurred street

Extreme Heat is Killing Us

Heat-related deaths are rising, and higher temperatures are just one reason.

September 14, 2023 - Governing

Man drinking water from plastic bottle sillhouetted against orange sky signaling extreme heat

Biden Administration Announces Federal Heat Safety Policies

As extreme heat waves become more common and widespread, the administration is directing federal resources to heat mitigation efforts.

July 31, 2023 - NBC 4

Large power towers sillhouetted against an orange sky

Preparing the Grid for More Intense Heat Waves

As extreme heat becomes more common, the risk of a grid collapse threatens to turn a dangerous situation deadly.

July 2, 2023 - Wired

'Caution Extreme Heat Danger' sign in Death Valley, California with desert mountains in background

How Extreme Heat Drives Inter-Agency Collaboration

City officials tasked with addressing the impacts of extreme heat highlight the importance of aligning the efforts of multiple city departments.

June 18, 2023 - Smart Cities Dive

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.