Kroger has plans to feed food waste to bacteria, where it will be anaerobically digested in a vat to release methane to create energy.
Glaciers contain a tiny share of the world's land ice, but their rapid melting is contributing to nearly one-third of the world's sea-level rise.
Environmentalists were dismayed by draft fracking rules released a year ago, but hoped the administration would tighten them up in the next round. The opposite happened.
The Senate confirmed Ernest Moniz as the new energy secretary, and Gina McCarthy's nomination as EPA administrator cleared a committee.
Tennessee's Republican governor vetoed a bill that would have made it harder for animal activists to expose abuses by agricultural workers.
One Colorado farmer has planted the nation's first big industrial hemp crop in 60 years. Yes, it's still illegal.
At Arctic Council meetings in Sweden, the secretary of state wants the world to know the U.S. is very sorry for all that it has done to destroy the ice.
California's governor saw $500 million sitting around, waiting to be spent on climate projects, and decided it should probably be spent in other ways.
Say it again: Another exhaustive study confirms that there's virtually no disagreement among climate scientists about the cause of climate change.