| Dec 30, 2014
| 5:00 AM
Sitting at a desk in his small office here, Ma Jun, one of China's best-known environmental advocates, shows off his latest tool in the fight against the nation's crippling air pollution: a computer app.
Displayed on a tablet, the app shows a map of...
| Dec 23, 2014
| 9:00 AM
Columnist Dan Rodricks' definition of a "green governor" is way off the mark. There is nothing green about a poultry waste incinerator, which Mr. Rodricks is urging Gov.-elect Larry Hogan to fast-track on the Eastern Shore ("Larry Hogan has a chance to be...
| Dec 22, 2014
| 10:10 AM
Smog used to be a dirty four-letter word in Republican politics. In 1970, the Clean Air Act passed the Senate with bipartisan support of 73-0 and was signed into law by a Republican president, Richard Nixon. Twenty years later another Republican...
| Dec 23, 2014
| 2:01 PM
South Florida frequently has interesting cloud formations, simply because our moist warm atmosphere produces so many big fluffy marshmallows in the sky.
But there’s a kind of cloud produced in the Earth's most frigid regions, and it's much more...
| Dec 28, 2014
| 3:07 PM
The amount of lung-damaging ozone inhaled by Orange County residents in recent years would exceed new limits for the pollutant that were proposed recently by the federal government.
A push by the U.S. Environmental Protection Agency for further...
| Dec 12, 2014
| 4:30 AM
The EPA's recent decision to tighten limits on smog pollution is commendable and necessary ("Holding one's breath, GOP style," Dec. 8).
Maryland has some of the worst air pollution on the eastern seaboard, with 86 percent of residents living in areas...
| Dec 11, 2014
| 5:31 PM
The United Nations Climate Change Conference in Lima, Peru, is wrapping up Friday after 12 days of negotiations on global carbon emissions.
Yet, even as we work through the complexities of an international agreement, it would be a mistake to miss the...
| Dec 13, 2014
| 9:30 AM
Your editorial on ozone regulations suggests we would have no national ozone standards at all without the EPA's onerous new regulations ("Holding one's breath, GOP style," Dec. 8). Not true. The current ozone standards of 75 parts per billion (ppb) are...
| Dec 17, 2014
| 3:46 PM
Americans are serious about their Christmas lights -- so much so that a NASA satellite can see them from space.
The Suomi National Polar-orbiting Partnership satellite, which NASA operates with the National Oceanic and Atmospheric Administration, can&...
| Dec 18, 2014
| 2:09 PM
Air quality regulators have issued three notices of violation against Rainbow Environmental Services Inc. for discharging "nuisance" odors and operating without appropriate enclosures, venting and equipment permits at a facility near a Huntington Beach...
| Dec 19, 2014
| 5:00 AM
A growing body of research shows that living next to a freeway can significantly increase the risk of asthma, heart disease, pre-term births, reduced lung function in children and premature death. Yet Los Angeles continues to approve residential...