"The Sierra Club launched a system Tuesday to send text message alerts when smog pollution is at a high level in certain areas."

"Environmental groups, locals worry Louisiana’s Atchafalaya Basin might be destroyed by a proposed industrial facility."

"In another ominous sign of human-caused climate change, US government scientists said Wednesday that global carbon dioxide concentrations have reached a new monthly record of 400 parts per million."

"A drill ship at the heart of Shell's hunt for Arctic oil flunked a Coast Guard inspection last month when a piece of anti-pollution gear that already cost its owner millions in fines failed again."

"California's drought-plagued Central Valley hogs the headlines, but two-thirds of your winter vegetables come from a different part of the state. Occupying a land mass a mere eighth the size of metro Los Angeles, the Imperial Valley churns out about two-thirds of the vegetables eaten by Americans during the winter."

"Fracking wells in Pennsylvania’s Marcellus Shale region are disproportionately located in poor rural communities, which bear the brunt of associated pollution, according to a new study."

"Bank of America is cutting off its financing for coal extraction projects, the company announced at its shareholder meeting Wednesday."

"As the summer tourist season approaches on North Carolina’s Outer Banks, there’s a growing hope among horse advocates that the iconic wild horses of Corolla can be saved from a fate of inbreeding and deformities."

"A series of tornadoes, including a major twister, touched down southwest of Oklahoma City on Wednesday, injuring several residents of a trailer park, causing severe flooding and the escape of bears from a wildlife park, officials said."

"A train carrying highly volatile crude oil derailed and erupted into flames on Wednesday morning, forcing the evacuation of a small town in North Dakota, according to local and federal officials."