| Apr 13, 2015
| 8:11 AM
GREENBELT NASA scientist George J. Huffman sometimes watches in awe as bands of greens and yellows and reds float across a map of the world on a 20-foot screen at Goddard Space Flight Center.
The technology he helped develop uses satellites to track...
| Mar 9, 2015
| 4:52 AM
Nearly 15 years after crews dug up and replaced contaminated soil from Cynthia Medina's frontyard, federal officials have placed dart-sized air quality samplers in her South Bay home. The tests will reveal whether dangerous vapors are seeping inside...
| Apr 10, 2015
| 5:00 AM
Mayor Eric Garcetti released a sweeping plan this week that outlines his environmental and economic priorities and sets measurable goals in a wide range of areas, from cutting smog and reducing the city's reliance on imported water to adding bike-share...
| Apr 9, 2015
The federal Environmental Protection Agency is expected to hand down more stringent ozone standards by Oct. 1, a move the state of Indiana says will hurt businesses.
Some businesses, such as NIPSCO, already have made improvements to their power plants...
| Mar 6, 2015
| 2:57 PM
Air quality officials imposed stricter emissions limits on two Los Angeles County battery recycling plants Friday, attempting to protect surrounding communities from lead pollution released by Exide Technologies in Vernon.
The rules, approved on an 11-...
| Apr 7, 2015
| 10:30 PM
South Florida's usually good air quality worsens this time of year, as dry, sunny days create ideal conditions for the formation of smog.
From late March through June, the period between the cool temperatures of winter and the thunderstorms of summer,...
| Apr 7, 2015
| 11:00 AM
Regarding your article "TV ad hits Hogan for blocking air pollution curbs" (April 2), the ad rightly criticizes the Hogan administration's decision to block regulations required by the EPA to bring Maryland into compliance with federal air quality...
| Mar 23, 2015
| 1:00 PM
Nine-year-old Lily Martin has been coughing for most of the last three weeks. From morning to evening and most of the night, it has been hack, hack, hack. She is pale and exhausted. Her mother, Sophie, is worried sick.
The child is not the only one...
| Mar 25, 2015
| 5:32 PM
A common pollutant in vehicle exhaust, power plant emissions and cigarette smoke can shrink white matter in fetal brains and cause developmental damage during the toddler years, a new study suggests.
In 40 children examined by researchers, prenatal...
| Mar 24, 2015
| 3:33 PM
The U.S. Supreme Court Wednesday will hear arguments in a crucial case about regulating mercury and other toxic air pollution coming from coal-fired power plants. At stake is a very dangerous precedent that industry profits are more important than...
| Mar 4, 2015
| 2:05 PM
Cleaner air has for the first time been linked to bigger and stronger lungs among school-age children, according to findings released Wednesday from a two-decade study in Southern California.
The research by USC scientists, published in the New...