Oil companies and environmental non-profits team up

Sep 23, 2014
A partnership to cut emissions of methane—a potent greenhouse gas—in drilling.

Acid rain: what it takes to stop pollution

Jul 17, 2014
"You could sing in the rain, walk in the rain, and then the rain was acid..."

China's fight for cleaner air

Jul 15, 2014
“China’s growth model is based on the idea that natural resources are free."

In China, the polluter 'that-must-not-be-named'

Jul 15, 2014
China's crackdown on criticism of a $6 billion petrochemical plant.

LA Smog: the battle against air pollution

Jul 14, 2014
How can the Chinese live with terrible air pollution? One answer: Americans did.

American pollution: Made in China

Jan 21, 2014
There's a hidden cost to buying goods manufactured in China -- pollution in western North America.

China rolls out plan to clean its air - will it work?

Jan 9, 2014
China has some of the worst smog in the world – impacting the lives of more than a billion people as well as the bottom line for the world’s second biggest economy.

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A year in China: bad air, bad debt

Dec 30, 2013
This was the year of "forced transparency" in China, exposing bad debt and bad pollution.

Air pollution explainer: What's an externality?

Dec 9, 2013
Pollution isn't free … but who should pay?

When air pollution crosses state lines, which state has to do the cleanup?

Dec 9, 2013
Some governors asked the EPA to rein in polluting states, and EPA is asking the Supreme Court for permission.