Environment

A photo of the high sierras.

5 books to contextualize America’s public land tempest

The featured texts include in-depth histories of America’s public land and how public land and the government’s displacement of Native American people are connected.

August 23, 2026 - Alta

A graph from New York City's first study on the Congestion Relief Zone Tolling Program’s impact on air quality. The graph shows that air quality improved at the rate predicted, and in some cases, slightly more than predicted.

First study of NYC congestion zone’s air quality impact shows improvements

The study also examined air quality around freeways which experts worried would see increased traffic from people avoiding the tolls.

August 21, 2026 - Mass Transit

Devil's Castle and Cecret Lake at Wasatch Range in Utah.

‘Snow-eater’ heat waves are increasing in frequency, study finds

During intense spring heatwaves, snow melts nearly twice as fast as usual and can overwhelm city reservoirs.

August 21, 2026 - Tahoe Daily Tribune

The Kiva Ruins at Pueblo Bonito at the Chaco Culture National Historical Park.

Trump to allow drilling, mining near world heritage site

A UNESCO spokesperson said the world heritage committee has consistently considered mining and drilling near sites to be “incompatible with world heritage status.”

August 21, 2026 - Guardian

Lake Mead's low water levels, seen from the Hoover Dam

Why a Colorado River water conservation agreement is so hard to reach

As the nation's two largest reservoirs hit their lowest levels on record, what would it take to avert the crisis? An expert weighs in.

August 21, 2026 - Sarah Porter

Wildfire smoke from the Kaiser Canyon and Modrite fires on the Colville Reservation drifts across the sky over Lake Roosevelt, casting an orange glow on the water as eastern Washington wildfires burn over 250,000 acres across the region

One month of wildfires has cost Washington state over $200 million

Washington’s fire season lasts through October.

August 20, 2026 - Washington State Standard

Blue tanks of a water desalination plant

To guarantee residents fresh water, Tijuana looks to the sea

Construction on one of the largest desalination plants in Latin America will soon break ground to reduce reliance on the dwindling Colorado river.

August 19, 2026 - Smart Water Magazine

Woman in white shirt charging white electric sedan in front of house.

Swapping your gas car for an EV is greener than keeping it, research shows

An EV repays the 'carbon debt' caused by building it after 4,400 miles.

August 13, 2026 - Grist

tourists in blue raincoats walk on Pier 39 in the rain in San Francisco.

Rain gardens keep up to 99% of pollutants out of San Francisco Bay

The city's roadside rain gardens soak up stormwater and filter out dozens of harmful micropollutants.

August 12, 2026 - Governing

Person in galoshes spraying a garden with a water hose.

Climate change could double household water costs in some cities, study finds

New research suggests that climate change-related stressors are straining municipal water systems.

August 11, 2026 - Kevin Hardy

City workers in yellow vests and hard hats working to shut off water infrastructure after wildfire in destroyed neighborhood in Spokane, Washington.

Nearly a third of US housing is in the wildland-urban interface — and at growing risk of wildfire

As suburbs increasingly mingle with undeveloped land, homes face a higher risk from destructive fires.

August 10, 2026 - High Country News

Mountain lion in a forest.

Study: Mountain lions reduce roadway deer collisions by 67%

Scientists in Washington state found a little-studied benefit to the presence of mountain lion populations near roadways.

August 10, 2026 - M Live

Woman stands in front of window looking out at rain in a dark room.

Extreme weather is weakening social connections

Extreme heat, flooding and other weather events are increasing isolation and fraying social ties.

August 10, 2026 - The Conversation

Republican candidate for Governor of New York Lee Zeldin speaks at campaign stop at American Legion Post in Thornwood on October 31, 2022.

Court unfreezes $20B in federal climate grants

A U.S. Court of Appeals ruled that the Trump administration potentially violated the Inflation Reduction Act by attempting to claw back grants awarded under the Greenhouse Gas Reduction Fund program.

August 6, 2026 - Smart Cities Dive

Hydroelectric generating facility and historic site known as the Arizona Falls on the Arizona Grand Canal in Phoenix.

Arizona prepares to tap into emergency water supply as it braces for Colorado River cuts

The Salt River Project has been collecting nearly 4 million acre-feet of water since the mid-1990s.

August 5, 2026 - Arizona Central

Roof on residential building in Washington DC with green grasses growing in middle planter.

DC energy efficiency rule requires buildings to upgrade their infrastructure or face millions in fines

Building owners and condo co-op members say the upgrades are often prohibitively expensive.

August 5, 2026 - Greater Greater Washington

Large, orange fire burning on hillside behind SPanish-style homes in Azusa, California.

80% of California homes built between 2020-2022 are in high fire risk areas

In 2020, California wildfires destroyed nearly a fifth of homes they came in contact with.

August 4, 2026 - Los Angeles Times

Coyote walking on hill with homes and palm trees blurred in background in Los Angeles, California.

An unfinished West Hollywood building has been vacant so long, coyotes are now living in it

A construction site where work stopped in 2024 is now being dubbed 'coyote condos.'

August 2, 2026 - The Washington Post

View from Hoover Dam of dam columns and Colorado River with water line visible above the water.

Federal proposal calls for mandatory water cuts to Arizona, California and Nevada

The Bureau of Reclamation stepped in after states failed to come to an agreement over Colorado River water use reductions.

August 2, 2026 - Associated Press

Person wearing white gloves handling lithium ion electric car battery.

EV battery waste threatens to overwhelm China's recycling system

The county processed over 400,000 metric tons of EV battery waste last year.

July 31, 2026 - Inside Climate News

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.