Urban Heat Island

Urban Tree Canopy

Louisville Updates its Development Code to Benefit the City's Trees

The effect of development codes can be felt in the urban tree canopies. Louisville is updating its code to stem the loss of 56,000 trees a year in the city.

March 12, 2020 - WFPL

Arizona Streets

Study Traces the History of Racism and Urban Heat Islands

The people living in urban heat islands are much more likely to be inhabited by low-income people of color, and the roots of the environmental justice issue can be found in planning history.

January 21, 2020 - The Oregonian

Louisville, Kentucky

How Can Cities Adapt to Rising Temperatures? Change the Weather

Brian Stone of the Georgia Institute of Technology writes about a recent article he co-authored in the Journal of Planning Education and Research.

December 4, 2019 - JPER

Los Angeles Street

L.A.'s Strategy for 'Safe, Mobile, and Sustainable' Streets

Streets LA General Manager Adel Hagekhalil lays out his priorities and plans for transforming Los Angeles into a system of world-class streets.

October 1, 2019 - The Planning Report

Baltimore, Maryland

Low Income People of Color More Likely to Suffer Extreme Heat

A recently published report finds more evidence to elevate heat as a matter of environmental justice.

September 7, 2019 - NPR

Downtown Dallas

The Data-Driven Plan to Cool Down Dallas

Dallas's resiliency plan analyzed the best ways to combat heat in every neighborhood.

January 2, 2019 - Governing Magazine

Ohio River

Louisville's Tree-Protection Plan in Final Revisions

Faced with a costly urban heat island effect, Louisville is working on a new tree-protection ordinance that could be headed for a vote this week.

December 4, 2017 - Courier-Journal

Penn's Landing

Identifying the Populations Most Vulnerable to 'Extreme Heat Events'

New research published in Applied Geography is a first step toward planning for the resilience of vulnerable populations as the heat rises in urban areas.

August 11, 2017 - Scientific American

Los Angeles Downtown River

Climate Change Will Be Worse for Big Cities

Blame it on the urban heat island effect.

June 4, 2017 - KPCC

play fountain

Beating the Heat (Island Effect) with the Japanese Tradition of Uchimizu

Can a few splashes of water on hot pavement reduce the heat island effect? Researchers find evidence to support a traditional Japanese method of cooling the environment.

May 5, 2017 - The Poetry of Science

Low Water Ohio River

Louisville Gearing Up to Tackle its Urban Heat Island Problem

Louisville has the ignominious distinction of having the largest heat island effect of any of the largest cities in the United States. A new study from the Urban Climate Lab at Georgia Tech suggests ideas for lowering the heat in the city.

April 25, 2016 - The Courier-Journal

How to Beat Extreme Heat

Louisville, Kentucky has recently been named the "most rapidly growing urban heat island" in the U.S., but what led to this title? Jeff Byles traces how cities are becoming increasingly warm through a number of different factors, including economic.

February 1, 2016 - Doggerel

San Bernardino

Where Is the Los Angeles Heat Island Effect Most Intense?

No, this is not a trick question. By definition, you'd think the answer is L.A., where the heat is generated, but it's actually San Bernardino, 56 miles to the east. Turns out that like ozone, heat is transported by the wind.

September 24, 2015 - KPCC

Miami Temperature

Urban Heat Waves Likely to Hit Harder

Yet another climate change side effect: more frequent urban heat waves. And because urban temperatures tend higher than rural ones, cities should be ready to protect the most vulnerable.

August 2, 2015 - The Nature Conservancy - Cool Green Science

London Skyline

The Dangers of Building Too Tall

An article by Steven Snell summarizes the drawbacks of building vertical cities.

August 9, 2014 - Fast Forward Weekly

How Los Angeles' Urban Parks Battle Climate Change

An overview of how Los Angeles County’s Department of Parks and Recreation is creating projects that tackle the effects of climate change, by planner Clement Lau.

August 1, 2014 - UrbDeZine

Study: Air Conditioning is Warming Phoenix

A study investigates the effect of air conditioning systems on air temperature and electricity demand. The study's findings: the release of waste heat (via AC systems) exacerbates the nocturnal urban heat island, thus increasing cooling demands.

July 23, 2014 - Treehugger

California Already Confronting ‘Significant’ Impacts of Climate Change

A new report by state scientists identifies three dozen environmental indicators that confirm the effects of climate change on California are ‘significant and growing.’

August 14, 2013 - Los Angeles Times

Sustainability Moves into Chicago's Backyards

Chicago's backyards may turn into oases of sustainability with a new program aimed at creating incentives for 'greener' practices in the city's private gardens.

October 5, 2012 - Switchboard

Cool Roofs May Lead to Dry Roofs

Study suggests that light-colored roofs may reduce regional rainfall.

October 4, 2012 - Climatewire

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.