air quality

July 15, 2025

Best Practices for Just Land Transitions in California

Ángel S. Fernández-Bou
Senior Climate Scientist

Angel S. Fernández-Bou/UCS

October 7, 2024

How Proposition 4 Would Prepare California for Climate Change’s Dangers

Ángel S. Fernández-Bou
Senior Climate Scientist

Mario Tama/Getty Images

May 13, 2024

The State of the Air in 2024? Not Great

Ángel S. Fernández-Bou
Senior Climate Scientist

Remnants of burned houses in a neighborhood in Paradise, California, 8 months after the 2019 Camp Fire.

Frank Schulenburg/Wikimedia Commons

April 29, 2024

New California Legislation Would Help Us Better Understand Wildfire Health Impacts

Daniel Barad
Western States Policy Manager

photo of Maura Healey behind a microphone and with her right hand raised to take the oath of office and become governor of Massachusetts

Brian Snyder/Reuters

February 13, 2023

Three Steps for Equitable Climate Action in Massachusetts

Paula Garcia
Senior Bilingual Energy Analyst and Energy Justice Lead

Sean Boyd/Unsplash

August 2, 2022

Even at a 40-percent Electric Fleet, USPS is Missing the Mailbox

Sam Wilson
Senior Vehicles Analyst

California farmland seen under a hazy sky

Levi Meir Clancy/Unsplash

July 26, 2022

Climate Change Threatens Already Poor Air Quality in California’s Central Valley

Carly Phillips
Research Scientist

Chantal Cadorette/Unpslash

March 7, 2022

EPA Recognizes Problem of Truck Pollution, But Hesitates on Solution

Dave Cooke
Senior Vehicles Analyst

Brian Stalter/Unsplash

February 28, 2022

The Truck Industry’s Decades-long War on Stronger Pollution Controls

Dave Cooke
Senior Vehicles Analyst

@smwallday/unsplash

November 5, 2021

Verdict on First US Fuel Economy and Emissions Program for Trucks: Success?

Dave Cooke
Senior Vehicles Analyst

Lisa Brettschneider/flickr

August 20, 2020

California Moves Forward to Address Pollution from Heavy-Duty Trucks

Dave Cooke
Senior Vehicles Analyst

January 6, 2020

Trump EPA Doing Something to Actually REDUCE Pollution from Trucks

Dave Cooke
Senior Vehicles Analyst

Rush hour traffic on a California freeway

Eric Demarcq/Creative Commons (Flickr)

October 16, 2019

Air Pollution from Cars, Trucks, and Buses in the US: Everyone is Exposed, But the Burdens are not Equally Shared

David Reichmuth
Senior Engineer, Clean Transportation Program

Photo: Eric Sonstroem/Flickr

February 5, 2019

¿Quién respira el aire más contaminado por emisiones de vehículos en California?

Maria Cecilia Pinto de Moura
Scientist

Electric vehicle charging stations line the perimeter of San Francisco's City Hall. Photo credit: Bigstock.

October 3, 2017

Why Going 100% Electric in California Isn’t as Crazy as it Might Seem

Don Anair
Deputy Director & Research Director, Clean Transportation

December 17, 2014

New Study Shows Electric Vehicles Can Have Significant Climate and Air Quality Benefits Compared to Gasoline Cars

David Reichmuth
Senior Engineer, Clean Transportation Program

October 17, 2014

Engaging Scientists in Environmental Justice Communities

Guest Commentary

July 2, 2014

Fires in Indonesia and Accountability in Singapore: What to Expect This Summer in Southeast Asia

Lael Goodman
Former contributor

June 28, 2012

Beware: Wildfire Smoke Can Be Like Smoking a Couple of Packs of Cigarettes over a Few Hours

Brenda Ekwurzel
Former Staff