Environmental groups prepare for fight over methane proposal

Aug 30, 2019
A Trump administration proposal to roll back Obama-era rules to limit methane emissions is likely to face multiple legal challenges.
Gabriel Bouys/AFP/Getty Images

The path left by your online purchases

Dec 27, 2018
You might have done a lot of online shopping this holiday season, and you’re not alone — more than 1 billion items were shipped for free in the United States this holiday with Amazon Prime, the company reported. And with…

Study links air pollution to early death

Nov 19, 2018
A new report ranks air pollution as the greatest threat to human life, above war and disease.
A Chinese man wears a mask as he waits to cross the road near the CCTV building during heavy smog on November 29, 2014 in Beijing, China. 
Kevin Frayer/Getty Images

Climate alliance states have significant leverage

Jul 18, 2017
Following withdrawal from Paris accord, states take the lead on emissions targets.
California Gov. Jerry Brown speaks during an energy policy conference in Beijing in June.
FRED DUFOUR/AFP/Getty Images

Dairy industry weighs California's new regulations

Sep 20, 2016
The state wants farmers to do more to cut methane emissions from cows and cowpats.
David Silverman/Getty Images

Mexico City tells residents to park it

Apr 19, 2016
After a pollution emergency, Mexico's capital city is taking drastic measures.
View of Mexico City blanketed by smog on March 18, 2016. Mexican officials lifted a four-day air pollution alert last month in the nation's densely-populated capital after ozone levels dropped, according to them, to acceptable levels. 
RONALDO SCHEMIDT/AFP/Getty Images

Delhi: The most air-polluted place on earth

Dec 29, 2015
A look at what it's like to live in the Indian capital.

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What if it's not just Volkswagen?

Sep 24, 2015
In countries where diesels are popular, the extra ozone pollution could add up.

An environmental movement is awakening in China

Mar 16, 2015
Is China having its 'Silent Spring' moment?

India's air pollution problem

Jan 23, 2015
Cities in India have air that's four times deadlier than Beijing's.