Environment

Honolulu Community College building.

Honolulu Community College Celebrates Culture and Sustainability

Honolulu Community College brought together more than 320 students, staff, and community members for a day of Hawaiian cultural activities, music, and sustainability-focused learning at its annual Hoʻolauleʻa celebration.

May 5, 2025 - University of Hawai'i News

Offshore wind turbines in water against a sunset sky

Bringing Community Voices Into Renewable Energy Planning

The MIT Renewable Energy Clinic helps coastal communities navigate the complexities of offshore wind development through neutral, inclusive engagement that surfaces local concerns and supports fair decision-making.

May 5, 2025 - MIT News

Close-up of varied seashells on a sandy beach.

Creating Ocean-Safe Plastic from Seashells

USC researchers have created a biodegradable, marine-safe plastic alternative using calcium carbonate from seashells, offering a promising solution to ocean pollution.

May 5, 2025 - USC News

A large Google data center building in the Netherlands.

Rethinking Computing: Researchers Tackle AI’s Energy Demands

USC researchers are reimagining how AI systems are trained and powered — through smarter algorithms, innovative hardware, and brain-inspired designs — to dramatically reduce computing’s energy footprint.

May 4, 2025 - USC News

Bluebird sitting on branch of green bush.

Wildlife Rebounds After the Eaton Fire

Following the devastation of the Eaton Fire, the return of wildlife and the regrowth of native plants are offering powerful signs of resilience and renewal.

May 1, 2025 - AP News

Person in yellow safety suit and white helmet kneels to examine water samples outdoors on a lake shore.

USGS Water Science Centers Targeted for Closure

If their work is suspended, states could lose a valuable resource for monitoring, understanding, and managing water resources.

May 1, 2025 - Inside Climate News

Close-up of white panel at top of school bus with "100% electric" black text.

Driving Equity and Clean Air: California Invests in Greener School Transportation

California has awarded $500 million to fund 1,000 zero-emission school buses and chargers for educational agencies as part of its effort to reduce pollution, improve student health, and accelerate the transition to clean transportation.

April 30, 2025 - California Air Resources Board

Man sitting on bench sillhouetted against golden hour trees in tranquil park.

‘Smart Surfaces’ Policy Guide Offers Advice for Building and Maintaining Urban Tree Canopies

Healthy, robust tree canopies can reduce the impacts of extreme heat and improve air quality.

April 30, 2025 - Smart Cities Dive

Low view of Glendale Narrows section of Los Angeles River with concrete bottom and cloudy storm sky over head.

From Planning to Action: How LA County Is Rethinking Climate Resilience

Chief Sustainability Officer Rita Kampalath outlines the County’s shift from planning to implementation in its climate resilience efforts, emphasizing cross-departmental coordination, updated recovery strategies, and the need for flexible funding.

April 29, 2025 - The Planning Report

South LA Wetlands Park in Los Angeles, California.

How South LA Green Spaces Power Community Health and Hope

Green spaces like South L.A. Wetlands Park are helping South Los Angeles residents promote healthy lifestyles, build community, and advocate for improvements that reflect local needs in historically underserved neighborhoods.

April 28, 2025 - ABC 7 Eyewitness News

Side view of layers of grass and soil

Tackling Soil Contamination With Nature-Based Solutions

Los Angeles County residents and experts are turning to nature-based methods like bioremediation to address long-standing and fire-exacerbated soil contamination without resorting to costly and disruptive removal.

April 28, 2025 - Los Angeles Times

View of residential street in Los Angeles with palm trees and hazy city in distance.

Rebuilding Smarter: How LA County Is Guiding Fire-Ravaged Communities Toward Resilience

Los Angeles County is leading a coordinated effort to help fire-impacted communities rebuild with resilience by providing recovery resources, promoting fire-wise design, and aligning reconstruction with broader sustainability and climate goals.

April 27, 2025 - Los Angeles County Chief Sustainability Office

Yellow electric school bus with preteen students exiting.

California Invests Additional $5M in Electric School Buses

The state wants to electrify all of its school bus fleets by 2035.

April 25, 2025 - Associated Press

Brick school building with mid-sized tree on front lawn.

Alabama School Forestry Initiative Brings Trees to Schoolyards

Trees can improve physical and mental health for students and commnity members.

April 25, 2025 - Governing

Looking out at trees on 4th Street in downtown Los Angeles, California.

LA’s Tree Emergency Goes Beyond Vandalism

After a vandal destroyed dozens of downtown LA trees, Mayor Karen Bass vowed to replace them. Days later, she slashed the city’s tree budget.

April 23, 2025 - Torched

View of cars in traffic from behind with visible tailpipe emissions

USDOT Repeals Emissions Monitoring Rule

A Biden-era regulation required states to report and plan to reduce transportation-related emissions.

April 23, 2025 - Smart Cities Dive

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

Canada geese on lawn in city park with high-rise buildings in background in Vancouver, Canada.

Study: How Urban Parks Can Support Biodiversity

Conservation and recreation can go hand in hand in urban green spaces designed to serve both humans and local wildlife.

April 21, 2025 - Inside Climate News

Close-up on BLM sign on Continental Divide Trail in Rawlins, Wyoming.

BLM To Rescind Public Lands Rule

The change will downgrade conservation, once again putting federal land at risk for mining and other extractive uses.

April 20, 2025 - Public Domain

An engineer controlling a quality of water ,aerated activated sludge tank at a waste water treatment plant.

Judge Orders Release of Frozen IRA, IIJA Funding

The decision is a victory for environmental groups who charged that freezing funds for critical infrastructure and disaster response programs caused “real and irreparable harm” to communities.

April 18, 2025 - 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.