All kinds of pollution is extremely harmful for human health, but the one that hardly gets talked about is light pollution.

Our water is polluted and dangerous – why is it so hard to hold anyone responsible? - COMMENT: A spring that has produced ...

Developers, who propose 4,000 units on about a quarter of a 4,000-acre property, say they’re working to preserve as much land ...

A study led by University of Arizona researchers shows that decades of groundwater pumping by humans has depleted Tucson-area ...

Hundreds of scientists have joined together to save a group of species from extinction, a group that might not seem like it ...