National (U.S.)

Scientists are now studying the effects of Prozac in water on shrimp. After being secreted by humans, drugs like Prozac find their way through sewage systems and into waterways. Their effects on shrimp could be fatal.

"It has been the summer of polling discontent, or at least the dog days of disagreement on climate change."

"Drilling the final feet of a relief well intended to permanently plug the busted BP oil well deep below the Gulf of Mexico will have to wait two to three days as a strengthening tropical depression bears down on the site."

The death of Ted Stevens, the longest-serving Republican senator, marks the loss of a great influence over environmental and energy policy for the better part of a half century. Stevens devoted much of his time in the U.S. Senate from 1977 to 2009 to opening the Arctic National Wildlife Refuge (ANWAR) for petroleum development.

EPA officials in New York had to postpone a planned hearing on the impact of the natural gas drilling method known as hydraulic fracturing. The reason: the large number of passionate people planning to attend or demonstrate.

"A month after the Deepwater Horizon disaster began, scientists from the University of South Florida made a startling announcement. They had found signs that the oil spewing from the well had formed a 6-mile-wide plume snaking along in the deepest recesses of the gulf. The reaction that USF announcement received from the Coast Guard and the National Oceanic and Atmospheric Administration, the federal agencies that sponsored their research: Shut up."

"The opponents of Pebble, the giant copper and gold prospect in Southwest Alaska, have asked the federal Environmental Protection Agency to invoke its potent and rarely used power to block the potential mine. But U.S. Rep. Don Young late last month filed legislation seeking to strip the EPA of that authority."