Environmental Day at the Arizona Legislature, conservation advocates talked about the issues they wanted lawmakers to address ...

A review of national monuments threatens beloved natural and cultural landscapes protected under the Antiquities Act.

President Donald Trump’s executive order for “Unleashing American Energy” is sparking concern for the safety of federal lands ...

With a flurry of secretarial orders on his first day at work, Interior Secretary Doug Burgum stressed the Trump ...

Public utilities in Arizona would get immunity from most legal claims for damages if their infrastructure caused a wildfire.

Many utilities already have such plans, said Sandy Bahr of the Grand Canyon chapter of the Sierra ... by Trump order By requiring utilities to outline how they would deal with flammable vegetation ...

Climb aboard a helicopter while flying over the Grand Canyon, weave a small jet plane ... framed with blue bursts of particles that form the outline of a dolphin to a jazz track set to the ...