Lake Mead: Drought-stricken reservoir near Vegas hits new lowest level since 1930s

The water level of Lake Mead, which was created in the 1930s with the completion of the Hoover Dam, continues to fall. It has dropped 180 feet since 1983.

Florida woman spots 'fire rainbow' in sky

Angela Capece of Coconut Creek captured the colorful creation in the sky and posted it to Facebook.

California debates listing western Joshua tree as threatened

California officials are weighing whether to list the iconic western Joshua tree as a threatened species, a designation that would make it harder to remove the trees for housing, solar or other development projects.

Carbon dioxide levels in atmosphere surpass key milestone

Climate scientists say it's "like watching a train barrel down the track towards you in slow motion. It’s terrifying."

No cancer hazards found at NJ high school: Officials

New Jersey officials say there was no trace of radiological contaminants found around Colonia High School, following allegations that such hazards may have led to diagnoses of brain tumors and cancer in former students and staff.