"While Obama talks of putting America on the path to a clean, green future, we're flooding world markets with cheap, high carbon fuels."

"Four politically vulnerable Senate Democrats are urging U.S. President Barack Obama to approve the Keystone XL pipeline, spotlighting the implications of an election-year decision that may influence which party controls the chamber."

"WASHINGTON — Members of Congress and West Virginia officials say patchwork federal regulations are inadequate to protect the public from spills such as the one last month that contaminated drinking water for 300,000 people in the Charleston area."

"Several studies have linked pesticides with the development of Parkinson's disease, and now a new study has found a specific gene that may explain why some people are particularly susceptible to developing Parkinson's after exposure to certain pesticides."

"U.S. President Barack Obama still wants to hear from other federal agencies before deciding whether to accept the State Department's finding that the Keystone XL pipeline would have no major impact on climate change, his top aide said on Sunday."

"The lead federal agency investigating the West Virginia chemical leak is one that most Americans have probably never heard of. The Chemical Safety Board is an independent body, modeled after the National Transportation Safety Board, which investigates plane crashes and the like. But critics say that the Chemical Safety Board is understaffed, underfunded and takes too long to finish its investigations, and that its non-binding recommendations are often ignored anyway."

"Quite possibly, you've noticed some new food labels out there, like 'Not made with genetically modified ingredients' or 'GMO-free.' You might have seen them on boxes of Cheerios, or on chicken meat. If you've shopped at Whole Foods, that retailer says that it now sells more than 3,000 products that have been certified as 'non-GMO.'"

"Long-delayed farm legislation easily cleared a procedural hurdle on Monday in the U.S. Senate, with final passage of the nearly $1 trillion bill expected as early as Tuesday."