"Indiana and Kentucky are the nation's top two states for coal ash ponds — and many of the holding basins for the toxic mess were built without the guidance of trained engineers, according to new information from the U.S. Environmental Protection Agency."

"The shipping industry is an invisible and nearly unregulated environmental disaster."

A rare chance for people to walk through the mile-long tunnel that gives entrance to Zion National Park was part of the park's centennial celebration.

"Restrictions on the sale of incandescent bulbs begin going into effect across most of Europe on Tuesday in the continent’s latest effort to get people to save energy and combat global warming."

"LOS CABOS, Mexico – Emergency workers struggled to evacuate thousands of reluctant slum dwellers as extremely dangerous Hurricane Jimena approached Mexico's resort-studded Baja California Peninsula on Tuesday."

Four years after Hurricane Katrina destroyed some 200,000 homes in New Orleans, the city has embraced a new and unexpected role as a laboratory for green building.

"U.S. Senate Democrats announced on Monday a new delay on climate change legislation, which could make it more difficult for President Barack Obama to win progress on that front before a global environmental summit in December."

"Getting involved in a social or environmental cause these days is as easy as clicking your mouse." Are we becoming a nation of slack-tivists?

"Carbon dioxide will soon be declared a dangerous pollutant - a move that could help propel slow-moving climate-change legislation on Capitol Hill, the head of the Environmental Protection Agency said Monday."

"The Station blaze [near L.A.] has destroyed more than 50 buildings and burned more than 105,000 acres of mountainous brush. Little hope of containment is seen as long as hot, dry conditions continue."

With the proposed Yucca Mountain nuclear waste repository now dead, "local leaders and lawmakers from the sites where the waste is now stored, however, are increasingly concerned that the Energy Department will leave it in place, even though that might violate legally binding cleanup agreements."

"Most Americans approve of the way President Obama is handling energy issues and support efforts by him and Democrats in Congress to overhaul energy policy -- including the controversial cap-and-trade approach to limiting greenhouse gas emissions."

A University of Tennessee at Chattanooga study shows that the metals and organic chemicals found in used cigarettes can leak out, contaminating water and killing microorganisms.

"The Environmental Protection Agency should move immediately to adopt enforceable limits on the release of nutrient pollutants -- such as fertilizer and sewage -- into rivers and streams to halt the creation of dangerously low oxygen areas in water bodies, and the dead zone in the Gulf of Mexico should be one of its first targets, the agency's Office of Inspector General said in a report made public today."

Shallow rivate wells in part of West Palm Beach, drilled illegally by contractors, may be exposing homeowners there to drinking water contamination. People there fear a possible cancer cluster.