Maine is now the second state to mandate the labeling of foods containing GMOs, but the law will only take effect if other states follow its lead.
A new rule will just require the companies to tell the government which chemicals they're dumping.
A supplier to the coal industry spilled thousands of gallons of a toxic chemical into a river, poisoning local water supplies.
The agency still won't outlaw bee-killing pesticides, but it is funding research into reducing use of chemicals that harm pollinators.
Perhaps 1,000 people in Japan have been sickened by insecticide-laced foods, and more than 6 million packages of frozen food have been recalled.
Foul weather knocked some fossil-fuel power plants offline in Texas, leaving wind energy to save the day.
Presidential science advisor John Holdren explains that cold weather does not in fact disprove global warming.
The national electrical grid might start paying factories to operate through the night when wind power is ample but electricity demand is normally low.
Wall Street is not so hot on coal anymore, and that means plans to build the West Coast's biggest coal export terminal are now on the rocks.