"U.S. officials said on Friday they would offer higher payments to certain owners of environmentally sensitive farm land if they idle it in a conservation program instead of using it to grow crops."

"The world's oceans are turning acidic at what could be the fastest pace of any time in the past 300 million years, even more rapidly than during a monster emission of planet-warming carbon 56 million years ago, scientists said on Thursday.

Looking back at this bygone warm period in Earth's history could offer help in forecasting the impact of human-spurred climate change, researchers said.

"The help-wanted sign is out in Canton, Ohio, for Chesapeake Energy."

"The company that has led the charge in shale gas drilling is looking for truck drivers with licenses for hazardous materials, a purchasing coordinator for oil field equipment, a pipeline technician, a field safety coordinator, administrative assistants, troubleshooting electricians, a tax analyst and more.

"BP and the private plaintiffs in the massive Gulf oil spill litigation have reached a settlement that BP estimates will cost $7.8 billion. But that is an uncapped amount, an the court still must supervise the payment of damages. U.S. District Judge Carl Barbier also issued an order delaying the trial for a second time in light of the settlement."

"With dozens dead and scores of buildings reduced to rubble, residents of the Midwest and South on Sunday were assessing the damage that a series of vicious twisters left behind last week. By the time the powerful storm system faded, 39 were dead: 21 in Kentucky, 13 in Indiana, three in Ohio and one each in Alabama and Georgia."

"A U.S. judge sided with tobacco companies on Wednesday, ruling that regulations requiring large graphic health warnings on cigarette packaging and advertising violate free-speech rights under the U.S. Constitution."

"The Nuclear Energy Institute and the National Mining Association, Monday filed a federal lawsuit seeking to reverse the Obama administration's withdrawal of one million acres of public land in Arizona from uranium mining for 20 years."

"The House [Thursday] morning voted to allow a $690 million highway bridge over the federally protected St. Croix River, ending decades of legal and legislative wrangling and setting in motion what would be the largest bridge project in Minnesota history."

Tornado warnings mean life or death -- as recent storms in the Midwest showed. Minutes count, and better staffing and technology can help the National Weather Service save lives with earlier tornado warnings. But the political drive to cut federal agency budgets are hurting the NWS's ability to improve forcasts, a federal employee union says.