"As the worst drought in more than 50 years withers the Midwest corn crop, 25 senators urged the Environmental Protection Agency to cut the mandate that requires fuel blenders to add grain-based ethanol to gasoline."

"An eight-year environmental pact to reduce air, water and chemical pollution along the U.S.-Mexico border will be signed by dignitaries from both countries, Environmental Protection Agency officials said Tuesday."

"WASHINGTON -- Regulators should take a fresh look at 15-year-old standards on radiofrequency energy from mobile phones, an investigative arm of the Congress said on Tuesday amid lingering concerns the devices may cause brain tumors."

"The U.S. Nuclear Regulatory Commission suspended final decisions on licenses for power plants until it completes a reassessment of risks related to storing spent atomic fuel ordered by a federal court in June."

"RALEIGH, N.C. -- President Barack Obama signed a bill Monday promising health benefits for Marines and families who were exposed to contaminated water at a North Carolina Marine base for decades."

"Theodore Roosevelt's Elkhorn Ranch in North Dakota is often called the Walden Pond of the West. But Roosevelt's ranch is now feeling the pressure of an oil boom that is industrializing the local landscape. Critics say a proposed gravel pit and a bridge could destroy the very thing that made such a lasting impression on Roosevelt: the restorative power of wilderness."

"WASHINGTON -- Storied manufacturer Gibson Guitar Corp. will pay $350,000 and improve its import controls in exchange for the government deferring prosecution of environmental crimes, the Department of Justice announced Monday."

"LINCOLN, NEB. -- Jane Kleeb is a savvy activist who, Nebraska’s Republican governor once said, “has a tendency to shoot her mouth off most days.” A Florida native who moved to Nebraska in 2007 after marrying a rancher active in Democratic politics, she did as much as anyone to bring the massive Keystone XL crude oil pipeline to a halt last year."

"