A new study has ranked the US states in order of how well they would fare in the event of a nuclear apocalypse.

Water bills are climbing as utilities clean up a chemical made infamous in “Erin Brockovich.” Should lawmakers give them cover as work continues?

The Colorado River Basin which supplies water to seven U.S. states is facing "severe water shortages," scientists warn.

Officials are shoring up water systems infiltrated by the golden mussel. Dogs and human inspectors are checking boats at some ...