The latest research shows this seafood favorite may be wildly contaminated. Don't eat it unless it comes from these locations...
The nation's top climate scientists say our current drought looks uncomfortably similar to the most severe droughts in recent U.S. history.
The amount of heat-trapping carbon dioxide in the air just hit a dangerous milestone that could drastically worsen man-made global warming.
The nation's top climate scientists predict a tough spring for already struggling farmers, as demand for water is pushed to the limit.