"A lot of dead dolphins continue to wash ashore along the Gulf Coast and now a lot of sea turtles — most of them rare Kemp's ridleys — are washing up dead too, federal officials said Thursday."

"Two years ago some University of South Florida researchers began studying the effects of the most widely used fungicide in the country to see if it might kill more than just fungus. Turns out it's also a pretty effective frog-icide."

"More than 900,000 households remained without electricity on Friday after the strongest aftershock to hit since the March 11 earthquake and tsunami in Japan rocked a wide section of the country’s northeast."

"The House of Representatives passed legislation on Thursday that would stop the Environmental Protection Agency from regulating emissions of gases blamed for warming the planet, a day after the Senate rejected similar legislation."

"A new study confirms that the ocean has been rising in fits and starts since the 19th century -- and that the rate appears to have accelerated in the early 1990s to almost twice the rate of increase that prevailed through most of the 20th century."

"A gene that causes a wide range of bacteria to become resistant to antibiotics has been found in the water supply in Delhi, with worrying implications for the rest of the globe."

"A shutdown would cut short a key NASA field campaign to survey Arctic land and sea ice, and a larger project it is part of. The measure now funding federal operations expires on April 8."

"U.S. officials say the nation’s health system is ill-prepared to cope with a catastrophic release of radiation, despite years of focus on the possibility of a terrorist 'dirty bomb' or an improvised nuclear device attack."