"For Republican presidential contenders who once supported combatting global warming, the race is heating up. Faced with an activist right wing that questions the science linking pollution to changes in the Earth's climate and also disdains big government, most of the GOP contenders have stepped back from their previous positions on global warming."

"The Obama administration on Thursday came through on its pledge to scour the federal rule book for regulations that need to be either dramatically changed or scrapped, as the White House seeks to stay in front of GOP and industry complaints that too many federal regulations are burdensome."

"The federal government unveiled new fuel economy window stickers on Wednesday, for vehicles starting with the 2013 model year, that for the first time include estimated annual fuel costs and the vehicle’s overall environmental impact."

"This week, May 22 through 28, is national Hurricane Preparedness Week and NOAA's Climate Prediction Center, a division of the National Weather Service, is forecasting an above-normal hurricane season this year for the Atlantic basin."

"U.S. seafood fraud -- where farmed, imported or endangered fish is sold as wild, local and sustainably-managed -- is hurting efforts to preserve ocean diversity, conservation advocates said on Wednesday."

"Traffic congestion experts have long warned that pollution caused by idling vehicles on crowded roads was harming Americans' health. Now, for the first time, researchers at Harvard University have quantified the damage."
 

"Federal chemists have confirmed what everyone had expected: that if a bisphenol-A-based resin is used to line most food cans, there’s a high likelihood the contents of those cans will contain at least traces of BPA. A hormone-mimicking compound, BPA is the monomer — or chemical building block — used in making the resin."

"Several environmental and public health groups filed suit against the Food and Drug Administration on Wednesday to try to force the government to stop farmers from routinely adding antibiotics to livestock feed to help animals grow faster."