"The Environmental Protection Agency will issue the first limits on greenhouse gas emissions from new power plants as early as Tuesday, according to several people briefed on the proposal. The move could end the construction of conventional coal-fired facilities in the United States.

"The Farm Bill is the Olympics of U.S. food and agriculture policy. Every five years or so this important legislation comes up for renewal and the games begin. The federal government awards medals in the form of billion-dollar budgets that will determine what foods we eat and how we grow them. The current Farm Bill is set to expire on September 30, 2012, and the debate over who will dominate the food system is well underway."

"Victorville, Calif. -- On a dusty, rock-strewn expanse at the edge of the Mojave Desert, a company linked to Senate Majority Leader Harry Reid wants to build a bullet train that would rocket tourists from the middle of nowhere to the gambling palaces of Las Vegas."

"CHARLESTON, W.Va. -- A federal judge has overturned the Obama administration's veto of the largest mountaintop-removal mining permit in West Virginia history, saying the agency greatly oversteps its authority in blocking the controversial project."

"For decades, farm bills in the U.S. Congress have supported large-scale agriculture. But with the 2012 Farm Bill now up for debate, advocates say seismic shifts in the way the nation views food production may lead to new policies that tilt more toward local, sustainable agriculture."

"A federal judge in Mississippi has ended a long-running suit that attempted to hold a selection of U.S. utilities and coal and oil companies responsible for flooding damage caused by Hurricane Katrina."

"For the first time, the federal government on Thursday released an estimate of the number of so-called green jobs in the United States economy, saying that 3.1 million people are employed in the production of goods and services that benefit the environment."

"Standing in front of a row of pipes, President Barack Obama pledged on Thursday to accelerate approval of the southern leg of the Keystone XL pipeline, seeking to deflect criticism that his rejection of the full project helped create a climate for high gasoline prices."

"MIDLAND, Tex. -- The desolate stretch of West Texas desert known as the Permian Basin is still the lonely domain of scurrying roadrunners by day and howling coyotes by night. But the roar of scores of new oil rigs and the distinctive acrid fumes of drilling equipment are unmistakable signs that crude is gushing again."

"NEW YORK -- A federal judge on Thursday ordered U.S. regulators to start proceedings to withdraw approval for the use of common antibiotics in animal feed, citing concerns that overuse is endangering human health by creating antibiotic-resistant 'superbugs'."