"More than half of the nation's state attorneys general and two dozen interest groups have weighed in on a high-profile regulatory takings case that the Supreme Court will hear in December."

"The Interior Department moved closer to establishing habitat protections for the polar bear yesterday by sending its proposed rule to the White House Office of Management and Budget for review."

"The Supreme Court won't review an appellate decision blocking the Interior Department from ending royalty waivers at times of high oil and gas prices for deepwater energy producers in the Gulf of Mexico."

"A new study adds to the growing concern that prenatal exposure to the chemical bisphenol A could harm children's development. In the study of 249 pregnant women, the first to examine the effects of BPA on children's behavior, researchers found that girls whose mothers had the highest levels of BPA during pregnancy were more aggressive and hyperactive at age 2 than other girls."

Despite federal efforts, meat companies and grocers have continuted to sell ground beef tainted by the virulent strain of E. coli known as O157:H7.

"Apple is pulling out of the U.S. Chamber of Commerce because of the organization's strident criticism of plans to reduce U.S. greenhouse-gas emissions, the computer giant said Monday."