"The number of children considered at risk of lead poisoning jumped by more than five-fold on Wednesday, as the U.S. Centers for Disease Control and Prevention lowered its threshold for the diagnosis. Children's health advocates applauded the decision, but also expressed concern that recent congressional budget cuts will drastically limit funds that could help affected kids and prevent further poisoning."

"Living in the middle of a natural gas boom can be pretty unsettling. The area around the town of Silt, Colo., used to be the kind of sleepy rural place where the tweet of birds was the most you would hear. Now it's hard to make out the birds because of the rumbling of natural gas drilling rigs." ...

"When it comes to labels assuring consumers that they’re buying green products, buyer beware. In theory such labels are intended to help shoppers make responsible choices. But many of these labeling and certification programs are overseen by the industry they are supposedly policing."

"Without fanfare, the nation's nuclear power regulators have overhauled community emergency planning for the first time in more than three decades, requiring fewer exercises for major accidents and recommending that fewer people be evacuated right away."

A new poll shows more Americans (47%) trust President Obama on climate issues than those who trust GOP contender George Romney (21%). Some 66% percent believe global warming is happening. A previous poll showed 72% think climate change should be a priority for both the president and Congress. The poll, conducted by Yale and George Mason University researchers, had a 3% margin of error.

"A new report named the Potomac the nation’s most endangered river, saying it is threatened by nutrient and sediment pollution that lowers the quality of drinking water and kills marine life and will only get worse if Congress rolls back regulations in the Clean Water Act."

"As the battle wages on over the safety of feeding antibiotics to livestock for growth promotion, a new report reveals yet another source of unregulated antibiotics in American animal feed--spent ethanol grain."

"The Obama administration is appealing a federal court ruling that scrapped U.S. EPA's retroactive veto of a large mountaintop removal coal mining permit in West Virginia, according to court documents filed Friday and [Monday]."

"Sitting at the kitchen table with his wife, Carole, Mervin Klees recalled showing up to work at the Burlington Northern Santa Fe train shops outside West Burlington. He and his coworkers would file into the massive locomotive repair building early in the morning, where the maintenance crew sometimes had re-fitted the pipes in the ceiling the night before. To get to the pipes, workers would have to cut through the asbestos insulation."

"The state of Wisconsin is no longer a hot bed for metallic sulfide mining, having its Legislature kill a bill in March that would have streamlined mining permit process in favor of mining companies. But it is one of the hotbeds for another type of mining, sand mining, a billion-dollar business."