"The Environmental Protection Agency said it will delay for a month issuing a rule to shield fish from being killed when electric utilities and factories use water for cooling machinery."

"Over the years, the Chesapeake Bay has been known for many things: bountiful seafood, such as clams, oysters and the bay’s iconic blue crabs; its boating, fishing and water sports industry; its curly-haired duck-hunting dogs."

"The Chinese government released a report on Thursday that said nearly one-fifth of its arable land was polluted, a finding certain to raise questions about the toxic results of China’s rapid industrialization, its lack of regulations over commercial interests and the consequences for the national food chain."

"Unpublished research by university scientists is exempt from the Virginia Freedom of Information Act, the Virginia Supreme Court ruled Thursday, rejecting an attempt by skeptics of global warming to view the work of a prominent climate researcher during his years at the University of Virginia."

"In an apparent effort to kickstart agency action on updating permissible exposure limits for hundreds of chemicals, the Occupational Safety and Health Administration asked the White House April 15 to approve a request to gather information on ways to address chemical exposure."

"The California Fish and Game Commission on Wednesday postponed a decision on whether to afford gray wolves protection under the state's Endangered Species Act."

"The government withheld findings on estimated radiation exposure for Fukushima returnees for six months, even though levels exceeded the long-term target of 1 millisievert a year at more than half of surveyed locations."

"In 1997, Toyota caught its competitors by surprise with the revolutionary Prius, the first commercially successful gasoline-electric hybrid car. Now, the Japanese firm is trying to do the same with a technology that seems straight out of science fiction."

"The California Fish and Game Commission on Wednesday postponed a decision on whether to afford gray wolves protection under the state's Endangered Species Act."

"On Tuesday night, BP said that the 'active cleanup' of the Gulf of Mexico oil spill had been brought 'to a close.' Later Tuesday night, the Coast Guard said the response to the spill isn’t over yet, 'not by a long shot.'"