"Potentially potent lawsuit claiming Exxon violated pollution laws after its 2013 Mayflower oil pipeline spill survives dismissal attempts."

"In November 2012, the U.S. Department of Energy asked contract employees at the Hanford plutonium processing plant in Washington state to take an unusual oath."

"The Environmental Protection Agency on Friday proposed federal approval of climate-friendly refrigerants used in household air conditioners and refrigerators, as part of President Obama’s quest to counter global warming."

"The U.S. hog herd shrank more than anticipated in the March-May quarter as a deadly pig virus swept through farms, a U.S. Department of Agriculture report showed on Friday."

"Tens of thousands of chemicals have not been reviewed by the EPA, and people are starting to ask questions"

"NASA will launch the first satellite designed to measure carbon dioxide in the atmosphere around the world next week."

"The Obama administration [Friday] released a final policy to guide government scientists in determining whether wildlife species deserve protection under the Endangered Species Act, making a substantive change to a draft policy released 2½ years ago."

"NEW ORLEANS — BP wants a federal judge to order restitution — plus interest — of what it says are hundreds of millions of dollars in overpayments to some businesses that claimed losses due to the 2010 Gulf oil spill."

"Environmental Protection Agency science advisers have recommended the agency strengthen ozone pollution standards in order to protect public health."

"Perhaps hoping to distance itself from its horrendous display of homophobia in 2012, the fast-food chicken chain Chick-Fil-A has launched a folksy new food journalism site called Let's Gather."