A new threat is here, and scientists say there's no way to stop it, as even remote parts of the world are seeing microplastic ...

In the 1970s, acid rain was one of the most serious environmental threats in North America and Europe. The air was so laden with pollution from coal power plants and cars at the time that it turned ...

Phoenix had seen almost no rain since August, so Friday's storm was a welcome sight. It just isn't enough to end the drought.

An early spring storm brought a third of an inch or more of rain to Phoenix and a foot or more of snow to the high country Friday. Months of drought have left the ground parched, which means most ...