(Source: Takver/flickr)

A new study says a ton of carbon dioxide emitted by the U.S. costs it $48, which is eight times the EPA's figures.

(Source: Joshua Tree National Park/flickr)

The temperatures in 417 national parks have risen twice as much as in other parts of the U.S.

(Source: soozed/flickr)

Global warming is literally turning up the heat on your brain.

(Source: Tatiana Bulyonkova/flickr)

The discovery offers a new avenue for the treatment of Alzheimer’s and other neurodegenerative diseases.

(Source: Neticola Sny/flickr)

A new-found strain of fungus can break down plastics within weeks instead of years.