Large retailers don’t have smokestacks, but they generate a lot of pollution − and states are starting to regulate it

For decades, big-box retailers have evaded federal regulation of the pollution their operations generate. But a new air emission rule in Southern California could become a model for state controls.

Johnathan Williams, Assistant Professor of History, University of Northern Iowa • conversation
today ~11 min

Chemical pollutants can change your skin bacteria and increase your eczema risk − new research explores how

From synthetic fabrics to car exhaust to wildfires, exposure to environmental pollutants push the skin microbiome to adapt in ways that reduce its ability to protect the skin.

Ian Myles, Chief, Epithelial Therapeutics Unit, National Institute of Allergy and Infectious Diseases • conversation
April 22, 2024 ~9 min


EPA’s new auto emissions standard will speed the transition to cleaner cars, while also addressing consumer and industry concerns

The new rule isn’t a mandate for electric vehicles, but it will sharply increase their market share over the coming decade.

Alan Jenn, Associate Professional Researcher in Transportation, University of California, Davis • conversation
March 22, 2024 ~8 min

EPA has tightened its target for deadly particle pollution − states need more tools to reach it

Reducing particle pollution can save thousands of lives, but states need more data to inform better controls. An atmospheric scientist explains what data and actions are needed.

Daniel Cohan, Associate Professor of Civil and Environmental Engineering, Rice University • conversation
Feb. 22, 2024 ~9 min

Heart attacks, cancer, dementia, premature deaths: 4 essential reads on the health effects driving EPA’s new fine particle air pollution standard

On Feb. 7, 2024, the EPA strengthened the federal limit for annual levels of fine particulate air pollution, or PM2.5. Many serious health effects have been linked to PM2.5 exposure.

Jennifer Weeks, Senior Environment + Cities Editor, The Conversation • conversation
Feb. 8, 2024 ~8 min

Biden’s ‘hard look’ at liquefied natural gas exports raises a critical question: How does natural gas fit with US climate goals?

The US, a minor liquefied natural gas supplier a decade ago, now is the world’s top source. That’s good for energy security, but bad for Earth’s climate. An energy scholar explains the trade-offs.

Emily Grubert, Associate Professor of Sustainable Energy Policy, University of Notre Dame • conversation
Feb. 7, 2024 ~8 min

Can technology clean up our air? An atmospheric scientist got a glimpse of the future

A surprising number of new consumer tech products promise to improve air quality.

Alastair Lewis, Professor of Atmospheric Chemistry at the National Centre for Atmospheric Science and University of York, University of York • conversation
Jan. 15, 2024 ~6 min

Switching to plant-based diets means cleaner air – and it could save more than 200,000 lives around the world

Switching to a plant-based diet could save lives.

Marco Springmann, Senior Researcher on Environment and Health, University of Oxford • conversation
Jan. 2, 2024 ~7 min


Pollution from coal power plants contributes to far more deaths than scientists realized, study shows

The longest-running study of its kind reviewed death records in the path of pollution from coal-fired power plants. The numbers are staggering − but also falling fast as US coal plants close.

Lucas Henneman, Assistant Professor of Engineering, George Mason University • conversation
Nov. 23, 2023 ~8 min

Carbon budget for 1.5°C will run out in six years at current emissions levels – new research

For a two-in-three chance of staying within 1.5°C, the budget shrinks to one-and-a-half years.

Robin Lamboll, Research Fellow in Atmospheric Science, Imperial College London • conversation
Oct. 30, 2023 ~7 min

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