air-pollution

Researchers have only studied the potential impact based on where people live and where air-pollution levels are highest.

The Hidden Toll of Traffic Jams Robert Lee Hotz 2011

After New York traffic managers rerouted streets in Times Square recently to lessen congestion, air-pollution levels in the vicinity dropped by 63%.

The Hidden Toll of Traffic Jams Robert Lee Hotz 2011

BEIJING—Tens of thousands of Chinese are using an online vote to push for more accurate air-pollution measures, illustrating how the Internet challenges Beijing's hold on information.

China Web Users Seek Closer Read on Pollution Jeremy Page 2011

The Environmental Protection Agency is set to make final new air-pollution standards for coal-fired power plants by mid-December, sparking disagreement among power companies about how quickly aging coal plants need to be pushed offline.

New EPA Rules Split Power Industry Ryan Tracy 2011

The law leaves air-pollution enforcement in the hands of individual states, but pollutants also blow far from where they are emitted.

Court Delays EPA Smog Rule Ryan Tracy 2011

In recent months, concerns have been growing that the agency's torrent of new air-pollution rules will lead to blackouts or to the rolling outages that crisscrossed California and Arizona in September.

The EPA's Reliability Cover-Up 2011

Local environmental groups have over the last few years expressed frustration that the city's government hasn't taken swifter action to revise Hong Kong's air-pollution targets, which they claim are out of date.

Hong Kong Unveils Pollution Objectives Jeffrey Ng 2012

HONG KONG—The Hong Kong government unveiled Tuesday new air-pollution objectives to help better gauge the city's air quality amid worsening pollution in the former British colony.

Hong Kong Unveils Pollution Objectives Jeffrey Ng 2012

The Obama EPA has or is about to issue a cascade of air-pollution regulations that will force a large portion of the country's coal-fired power fleet to retire or utilities to spend billions on upgrades, maybe endangering reliability.

A Life in Energy and (Therefore) Politics Joseph Rago 2011

WASHINGTON—The House voted Thursday to force a rewrite of federal air-pollution regulations for cement plants, the latest step in a Republican-led effort to undercut the Environmental Protection Agency's agenda.

House Votes to Rewrite EPA Rules on Cement Plants Ryan Tracy 2011