"President Barack Obama issued a series of steps Friday to help the nation combat global warming, an issue that may reignite partisan battle lines in Washington."

"Much of the world is turning hotter and dryer these days, and it's opening new doors for a water-saving cereal that's been called 'the camel of crops': sorghum. In an odd twist, this old-fashioned crop even seems to be catching on among consumers who are looking for 'ancient grains' that have been relatively untouched by modern agriculture."

"President Barack Obama will use his executive powers to protect more mountains, rivers and forests from development if Congress does not act to preserve such wild spaces, the U.S. Interior Secretary said on Thursday."

"The White House is expected to take new steps on Friday to help society adapt to global warming, an acknowledgment that worldwide efforts to control emissions will be inadequate to head off big climatic shifts."

"HOBOKEN, N.J. -- Rising temperatures and shifting, capricious precipitation patterns are affecting where, when, and how much water fills America's rivers, lakes, and reservoirs, and how water is absorbed to replenish groundwater reserves – putting tremendous pressure on communities and businesses who compete for that water."

"WRENSHALL, Minn. -- Canadian pipeline builder Enbridge will file applications this week to build a $2.5 billion oil pipeline across northern Minnesota. Opponents, though, are organizing already for a fight."

"BECKLEY, W.Va. -- The stately, wood-paneled chamber in the federal building here unsettled Gary Fox and his wife, Mary. Fox was used to the dusty caverns of the mines in the southern part of the state, where he'd spent more than 25 years working underground in the heart of Appalachian coal country. They had never been in a courtroom before."

"'American policymakers need to understand just who they will be doing business with if they approve the Keystone,' says environmental artist Franke James."

"Nearly 1 million chickens and turkeys are unintentionally boiled alive each year in U.S. slaughterhouses, often because fast-moving lines fail to kill the birds before they are dropped into scalding water, Agriculture Department records show."

"During the build-up to the Cold War, the U.S. government called upon hundreds of factories and research centers to help develop nuclear weapons and other forms of atomic energy. At many sites, this work left behind residual radioactive contamination requiring government cleanups, some of which are still going on."