A new analysis says federal crop insurance not only allowed corn and soybean farmers to survive last summer's drought, it also allowed them to make higher profits than in a normal year -- at taxpayer expense.

"Environmental groups on Monday announced a new ad campaign that highlights ExxonMobil's massive oil spill in Arkansas last month. The ads will be concentrated in the Washington, D.C., Metro's Foggy Bottom station, which is used by many State Department employees commuting to work, as the agency considers whether to approve the construction of the Keystone XL pipeline."

"The latest round of international climate change talks commenced [Monday] with the now perennial warning about the need for greater urgency from governments as they battle to curb global greenhouse gas emissions."

"Scientists monitoring global atmospheric carbon dioxide concentrations report that, for the first time in human history, CO2 levels could soon rise above 400 parts per million for a sustained period of time in much of the Northern Hemisphere."

"SYDNEY — China is rapidly assuming a global leadership role on climate change alongside the United States, a new study said Monday, but it warned greenhouse gas emissions worldwide continue to rise strongly."

"PITTSBURGH -- The Environmental Protection Agency has dramatically lowered its estimate of how much of a potent heat-trapping gas leaks during natural gas production, in a shift with major implications for a debate that has divided environmentalists: Does the recent boom in fracking help or hurt the fight against climate change?"

"The campaign group formed to support Barack Obama's political agenda has launched an initiative to shame members of Congress who deny the science behind climate change."

"HATCH, N.M. -- In southern New Mexico, the mighty Rio Grande has gone dry -- reduced to a sandy wash winding from this chile farming community to the nation's leading pecan-producing county. Only puddles remain, leaving gangs of carp to huddle together in a desperate effort to avoid the fate of thousands of freshwater clams, their shells empty and broken on the river bottom."