"Federal officials are cautioning nuclear-powered plants that store spent fuel in dry casks to be on the lookout for water damage."

"The Environmental Protection Agency is reporting promising but uneven results in its latest report on costly efforts to control toxic pollution creeping away from Delaware’s largest Superfund cleanup site."

"PITTSBURGH -- The Environmental Protection Agency has dramatically lowered its estimate of how much of a potent heat-trapping gas leaks during natural gas production, in a shift with major implications for a debate that has divided environmentalists: Does the recent boom in fracking help or hurt the fight against climate change?"

"Digging a large mine in southwest Alaska would inflict widespread ecological damage, the U.S. Environmental Protection Agency said in a report on Friday that could hurt the chances of a proposed project in that region winning regulatory approval."

"WASHINGTON -- President Barack Obama said on Thursday he would pick Howard Shelanski, an antitrust expert, as his new regulatory czar, a powerful White House position charged with reviewing regulations proposed by government departments."

The Agriculture Department is poised to approve an increase in line speeds at poultry processing plants. That is likely to mean increased use of toxic, bacteria-killing chemicals which have harmed some workers.

"Flood-weary residents of North Dakota bracing for a possible record inundation got their first touch of good news on Wednesday when officials said the swollen Red River would crest at lower than anticipated levels next week."

"TORONTO -- The Ontario Government has stepped in to save a unique freshwater research facility in the Experimental Lakes Area after the Canadian government cut off funding as of March 31."

"New efforts to force labeling of foods made with genetically modified crops, including a bill introduced by U.S. lawmakers Wednesday, have struck a nerve with biotech crop developers who say they are rushing to roll out a broad strategy to combat consumer concerns about their products."

"The planned ruling would eliminate protection for the top predators, but scientists and conservationists say the proposal is flawed."

"Watchdog also says US billionaire's Scottish golf resort could not substantiate claim that tourism will be harmed by turbines."

"With two schools near a plant storing ammonium nitrate -- the fertilizer used in the Oklahoma City bombing -- West, Texas, Superintendent Marty Crawford said he had always worried about an explosion like the one that happened last week."

"The campaign group formed to support Barack Obama's political agenda has launched an initiative to shame members of Congress who deny the science behind climate change."

"Smallmouth bass that draw hundreds of millions of dollars to the Chesapeake Bay region for sport fishing are sick, and many look too awful to ever mount as a trophy."

"Not far from Google’s headquarters in Mountain View, California, there’s a nondescript building that looks like it might be home to stealth startup. But if you walk in the front door, you won’t find cubicles or computers. You’ll find a secret bike shop where people like Robert Jimenez and Terry Mac twist wrenches and true tires all day long, rocking out to AC/DC and Pink Floyd. Then, if you slip into the back room, you’ll see them: 1,300 green, blue, red and yellow Google Bikes, stacked Santa’s workshop-style as far the eye can see."