MORE FROM HUFFPOST
MORE FROM HUFFPOST
Proceedings of the National Academy of Sciences
The U.S. withdrawal from the Paris Agreement is prompting more than 1,400 mayors to make their own pledges.
A new study on human cooperation could shed light on why some take radical steps.
WHAT'S HAPPENING
WHAT'S HAPPENING
The South American polka dot tree frog gives off an "intense greenish-blue glow" under UV light, scientists say.
A recent peer-reviewed study published in the Proceedings of the National Academy of Sciences has confirmed what many fracking critics have argued for years: hydraulic fracturing for oil and gas can contaminate groundwater.
