"Energy companies are nervously following the investigation of Wal-Mart Stores Inc.'s alleged corruption in Mexico. While the link between the energy industry and the retail behemoth isn't obvious, attorneys who advise oil and gas companies say the U.S. government will focus more on petroleum companies as a result of the Wal-Mart investigation."

"A group of U.S. Democratic lawmakers on Thursday urged President Barack Obama to threaten Mexico with cuts in economic assistance if the southern neighbor continues to pursue a trade case that has put U.S. 'dolphin-safe' tuna labels at risk."

"It appears high fructose corn syrup will still be called high fructose corn syrup. On Wednesday, the Food and Drug Administration denied a petition by the Corn Refiners Assn. (filed in 2010) to allow 'corn sugar' as an alternate name for HFCS."

"The world's air has reached what scientists call a troubling new milestone for carbon dioxide, the main global warming pollutant.

Monitoring stations across the Arctic this spring are measuring more than 400 parts per million of the heat-trapping gas in the atmosphere. The number isn't quite a surprise, because it's been rising at an accelerating pace. Years ago, it passed the 350 ppm mark that many scientists say is the highest safe level for carbon dioxide. It now stands globally at 395.

"Nothing says 'lunch time' to an American kid quite like a peanut butter and jelly sandwich. Slices of deli meat might be a close second. Unbeknownst to most parents who pack school lunch boxes, however, both of these favorites could expose kids to toxic chemicals. In a new study of popular products purchased from grocery stores in Dallas, Texas, researchers found that nearly half of the sampled peanut butter and cold cuts, as well as turkey, fish, beef and other fatty foods, contained traces of a flame retardant commonly used in the foam insulation of building walls."

"Refugee workers in the Sahel region where thousands of Malian refugees are fleeing violence in their country said this week they are witnessing firsthand the knotted challenges of food security, climate change and conflict in Africa."

"KANSAS CITY, Mo. -- Cattle farmers complained on Wednesday that a federal agency is 'spying' on their operations by flying airplanes over Midwest cattle feedlots to see if they are complying with clean water regulations."

A 23-year-old battle over construction of a nuclear power plant in India's southern state Tamil Nadu seems to be coming to a climax -- as politicians shift sides, protesters go on hunger strikes, and the political fallout from Fukishima settles.

"The head of the National Weather Service retired last week after an internal investigation found that the agency had reallocated millions of dollars without required congressional approval."

"The food industry likes to portray obesity as a matter of personal responsibility: People who eat too much gain weight, and it's their own fault."