Clean Air Act

Air pollution in Tehran on Tuesday, Dec. 4, 2012.

New WHO air pollution standards could save millions of lives each year

The World Health Organization is urging nations to adopt new air quality guidelines that could save 7 million lives a year worldwide. Fine particulates known as PM2.5 are the deadliest of six types of pollution that need tighter restrictions, WHO says.

New WHO air pollution standards could save millions of lives each year
Judge Amy Coney Barrett speaks and gestures into a mic during the third day of her Senate confirmation hearing.

How would a Justice Amy Coney Barrett rule on the environment?

How would a Justice Amy Coney Barrett rule on the environment?
Air pollution in China

Air pollution is a silent killer, even when it meets EPA standards

Air pollution is a silent killer, even when it meets EPA standards
brett kavanaugh

Kavanaugh’s track record on environmental law favors business over climate change protections

Kavanaugh’s track record on environmental law favors business over climate change protections
Kavanaugh 2006

What would a Justice Kavanaugh mean for the environment?

What would a Justice Kavanaugh mean for the environment?
Polluting plant

Groups sue EPA over regulatory rollback, saying clean air is 'at risk'

Once a major polluter becomes subject to the most-stringent regulations, it is always subject to the most stringent regulations, in perpetuity. Now, however, the EPA is rolling back the "once in always in" policy, and environmental activists are alarmed.

Groups sue EPA over regulatory rollback, saying clean air is 'at risk'
Cars move in the rain along a highway

Why California gets to write its own auto emissions standards: 5 questions answered

When the Clean Air Act was passed, California was already developing innovative laws and standards to address its unique air pollution problems. So Congress carved out an exemption.

Why California gets to write its own auto emissions standards: 5 questions answered
Grand Canyon haze

Fighting the haze at the Grand Canyon

There's still visibility issues at the Grand Canyon, but things seem to be getting better. Here's how.

Fighting the haze at the Grand Canyon
Pollution smokestacks

An obscure clause in an old law could help regulate US carbon emissions

President Obama's Clean Power Plan has been put on hold by the Supreme Court, but this academic thinks Section 115 of the 46-year-old Clean Air Act allows Obama's plan to function.

An obscure clause in an old law could help regulate US carbon emissions
Coal power plant in New Mexico

The US Supreme Court will hear a challenge to EPA mercury emissions rule

For years, the coal industry has enjoyed tax benefits and exemptions from strict environmental regulations. But those days might be over: President Barack Obama is using EPA authority under the Clean Air Act to try to curb coal power plant emissions, including CO2 and mercury. But coal interests are fighting back in the courts.

The US Supreme Court will hear a challenge to EPA mercury emissions rule

Obama's climate plan targets coal, but it will face challenges

The Obama administration's big new move on climate policy would cut climate pollution from power plants by 30 percent over the next 16 years, with the biggest reduction coming from coal-fired plants. But opponents promise a fight on many fronts.

Obama's climate plan targets coal, but it will face challenges

Beijing's pollution defies measurement, but not history

Residents of Beijing an other parts of northern China are still dealing with terrible pollution, but it's not nearly as bad as it was on Saturday, when pollution levels exceeded the scales used to measure such problems. But while the pollution is horrible, China's not the first place to deal with deadly pollution.

Beijing's pollution defies measurement, but not history

U.S. Clean Air Act is back in court

A federal appeals court in Washington, D.C., heard two days of oral arguments in a case pitting coal, oil and steel industry groups against the U.S. Environmental Protection Agency. The coalition that took the EPA to court claims Clean Air Act regulations are unfounded and burdensome for businesses.

U.S. Clean Air Act is back in court
The World

SCOTUS Rules On Greenhouse Gas Emissions

The Supreme Court unanimously agreed yesterday to reject a lawsuit brought on by six states, New York City, and several land trusts, seeking to reduce carbon dioxide emissions from major power plants. Jeff Rosen of George Washington University joins us.

SCOTUS Rules On Greenhouse Gas Emissions
The World

Dueling Senate Bills to Block EPA CO2 Regs

Jay Rockefeller (D-WV) wants to put EPA's climate authority on hold for two years. His bill could get more votes than similar Republican legislation. Would President Obama veto?

Dueling Senate Bills to Block EPA CO2 Regs