Environment

Two long concrete basins at Irvine Ranch Water District Chlorine Contact Basin

Where water recycling is working

Orange County, California and Las Vegas are leaders in water recycling in the United States.

May 24, 2026 - Reasons to Be Cheerful

Large group of tourists wait in parking lot in Glacier National Park for park shuttle.

Glacier National Park drops reservation requirement, plans to double down on shuttle network

Since 2021, visitors with cars have had to make a reservation to access the park.

May 23, 2026 - Flathead Beacon

Coal plant on water body

EPA to slash water treatment requirements for coal plants, citing growing electricity demand from AI data centers

The agency says the revisions to wastewater regulations — which critics call dangerous to human health — will decrease energy production costs by $1.1 billion annually.

May 18, 2026 - Engineering News Record

Aerial view of Puente Hills landfill on green hill in Los Angeles County, California.

In Los Angeles and beyond, landfills and gas stations are the new public spaces

With scarce urban land, transforming overlooked and underutilized urban pockets into parks and green space it critical to meeting growing community, climate, and equity needs.

May 13, 2026 - National Recreation and Park Association Open Space Blog

Carsparked on flooded street in New Orleans with downtown high-rises visible in background.

Study: New Orleans sea level rise is at 'point of no return'

Research shows that the city could be surrounded by water by the end of this century.

May 11, 2026 - The Guardian

Lake Powell and dam surrounded by red rocks with visible 'bathtub rings' during drought.

Colorado River flows will reach historic lows this summer

Officials have started reducing water release from Lake Powell to prevent water levels from becoming too low for hydroelectric production.

May 10, 2026 - Reuters

A wildlife crossing in Arizona under construction.

Arizona emerges as national leader in wildlife crossings

Arizona has been building bridges to prevent wildlife-vehicle collisions at various hotspots throughout the state.

May 7, 2026 - Pew

Two people walking on wide sidewalk shaded by mature trees in Malaga, Spain.

Green blocks are up to 4 degrees cooler than treeless streets

The difference in temperature created by urban trees can translate to as much as 40% less excess heat.

May 7, 2026 - Green Spaces Coalition

Close-up of child's hands wearing black and white striped gloves holding a green frog.

Once a year, Maine roads become highways for amphibians

The 'Big Night' brings out volunteers to help frogs, salamanders, and other migrating amphibians cross roads to reach their breeding grounds.

May 5, 2026 - Grist

Silver SUV parked at outdoor EV charging station in Detroit, Michigan.

96% of federal EV charging funds from 2021-2022 are unspent

New Buy America requirements and other stipulations are slowing the process for accessing federal funds.

May 4, 2026 - Scripps News

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

Phoenix and Tucson create emergency water reserve, anticipating Colorado River cuts

The Secure Water Arizona Program will allow participating cities to use a reserve of water or make agreements to buy it from other jurisdictions.

May 3, 2026 - KJZZ

A brown cow and a black cow graze under solar panels.

Cows at Tennessee's 'Silicon Ranch' graze under solar panels

The project aims to prove that agriculture and solar energy production can work in tandem.

May 2, 2026 - Associated Press

Public Rockhounding Area Sign with Arrow on BLM Land, Topaz Mountain Amphitheatre Utah, The Cove.

Supreme Court cements access to millions of acres of 'checkerboard' public land

A Tenth Circuit court ruled that private property owners can't prevent people from accessing 'corner-locked' public lands.

May 1, 2026 - The Regulatory Review

A wide-angle overview of a busy street at Downtown Austin, with modern skyscrapers towering in background, on a bright sunny Autumn day.

Austin uses satellite data to find gaps in its tree canopy

Layering tree data, heat risk and demographics information is helping the city implement its Climate Equity Plan.

April 27, 2026 - Smart Cities Dive

Blue transit bus passing in front of Santa Monica Pier entrance arch on a sunny day.

Santa Monica starts work on $56M electric bus project

Big Blue Bus plans to fully electrify its fleet by 2032.

April 13, 2026 - Santa Monica Next

Metal plaque with United States Environmental Protection Agency title on building in Wahsingotn, D.C. with red foliage in the foreground.

Trump's proposed budget slashes EPA funding by 52%

The budget also reduces funding for FEMA, climate resilience projects, and water infrastructure programs.

April 7, 2026 - Smart Cities Dive

Coastal road in Half Moon Bay, California.

California’s Half Moon Bay says coastal regulations hinder housing development

The town is entirely within the jurisdiction of the California Coastal Commission, which imposes a layer of strict development regulations.

April 5, 2026 - SFGate

Purple and yellow flowers in foreground of street scene in Philadelphia, Pennsylvania, on a sunny day.

Philadelphia sees 29% drop in gun violence near new green spaces

A city-backed program that cleans up blighted and vacant lots is creating new public spaces and reducing crime in surrounding communities.

April 5, 2026 - Reasons to Be Cheerful

Dark-colored Range Rover SUV on street in Manhattan, New York City.

Study: Capping Vehicle Size Could Reduce Global Traffic Deaths by 40%

Limiting cars to 2020 sizes could save consumers up to 22% on gas, according to a new study.

April 3, 2026 - Streetsblog USA

Couple seen from the back looking over Chattanooga, Tennessee from hilltop.

Chattanooga Earns North America’s First ‘National Park City’ Designation

The award recognizes cities that prioritize biodiversity and resident access to parks and green spaces.

April 3, 2026 - Popular Science

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.