"Two consulting firms provided State Department with key analysis of whether the pipeline would speed development of Canada's oil sands."

"Sally Jewell's first political test as President Obama's nominee for Interior secretary comes Thursday before the Senate Energy and Natural Resources Committee, where she will be grilled on how she plans to run the $12 billion agency that controls one-fifth of the U.S. landmass and nearly all of its oceans."

"RICHLAND, Wash. -- Washington's governor prepared to travel to the nation's most contaminated nuclear site to learn more about leaking radioactive waste tanks there Wednesday, a day after federal officials acknowledged budget cuts may disrupt efforts to empty the aging vessels."

Tens of thousands of fishermen and activists have written the Food and Drug Administration, which is considering approving genetically engineered salmon as food. They worry the giant fish could escape into the wild and interbreed with natural salmon.

"A deadly late winter storm dumped heavy snow on the Midwestern United States on Tuesday, contributing to numerous automobile accidents on highways and flight cancellations as it moved east toward the Ohio Valley and the mid-Atlantic states."

"ATLANTA, Ga. -- Drug-resistant germs called carbapenem-resistant Enterobacteriaceae, or CRE, are on the rise and have become more resistant to last-resort antibiotics over the past decade, warns a new report from the Centers for Disease Control and Prevention."

"LAUREL, Md. -- NASA’s twin Van Allen Probes, robotic satellites launched last August, have now revealed a previously unknown third radiation belt around the Earth."

"Two guys in a black Pontiac Vibe cruise the streets of Washington’s residential neighborhoods. The only sign of what they are up to is a gray plastic tube hanging out of the trunk. And the fact that they get out of the car frequently to place a black box on manhole covers and study its readings."

"Crop-friendly snowfall will be moving from the Northern Plains into the central and eastern Midwest overnight Monday and Tuesday, leaving up to an additional six to eight inches of snow, an agricultural meteorologist said on Monday."

"WASHINGTON -- President Obama on Monday named two people to his cabinet who will be charged with making good on his threat to use the powers of the executive branch to tackle climate change and energy policy if Congress does not act quickly."