"The changing global climate will pose profound strategic challenges to the united states in coming decades, raising the prospect of military intervention to deal with the effects of violent storms, drought, mass migration and pandemics, military and intelligence analysts say."

The Obama EPA, like the Bush EPA, is cleaning up fewer Superfund hazardous waste sites -- saying the remaining sites are getting harder to clean up. Unline Bush, however, Obama is seeking to reinstate the lapsed tax on petrochemical companies that originally funded the cleanup of abandoned sites.

"As it races to replenish phosphate supplies for its weed-killing cash machine Roundup, Monsanto Co. insists its history of polluting southeastern Idaho’s high country shouldn’t prevent it from digging fresh open pits here."

"Three major glaciers in Alaska and Washington state have thinned and shrunk dramatically, clear signs of a warming climate, according to a study released Thursday by the U.S. Geological Survey."

"LONG BEACH -- More than a year after California was rebuffed in federal court for pursuing emission rules on freight ships, federal authorities are pushing to adopt similar restrictions that could prevent up to 33,000 premature deaths annually in the U.S. and Canada."

"Iowa’s three largest public universities have determined that their coal ash disposal method does not pose a risk to the public health, a decision some say was made without sufficient evidence or regard for experiences with contamination in neighboring states."

"Seeking to put the nation back in the lead on an important technology, the Obama administration awarded more than $2 billion in grants on Wednesday for manufacturing advanced batteries and other components for electric cars."

"The U.S. Senate approved and sent to the White House on Thursday a $2 billion extension of the 'cash for clunkers' autos sales incentive program."

DuPont will try to persuade New Jersey state drinking water regulators to go easy on cleanups of PFOA, a chemical used in non-stick pans -- even before the regulators hear scientific evidence from their own scientists.

EPA Administrator Lisa P. Jackson said the agency will look at new evidence in reconsidering the Bush-administration decision not to regulate perchlorate in drinking water.