Extinct smallpox virus could be resurrected by global warming
August 22, 2016, 1:11 a.m. by Bryan Nelson
Melting permafrost threatens to exhume a smallpox graveyard in Siberia, and it could be a sign of what's to come.
What are megaslumps, and how do they threaten our planet?
June 9, 2016, 2:23 a.m. by Bryan Nelson
So-called 'gateways to the underworld' opening up across the Arctic are an ominous consequence of global warming.
As U.N. makes history on Earth Day, Leonardo DiCaprio reminds us not to rest on laurels
April 22, 2016, 2:31 p.m. by Russell McLendon
More than 170 world leaders signed the Paris Agreement on Earth Day 2016, but that's just the beginning.
Could cleaner air be worsening global warming?
December 28, 2015, 12:33 p.m. by Tia Ghose, LiveScience
Warming trends have spiked in certain areas of the world as they battle against smog.
Droughts could kill many of the world's trees
December 17, 2015, 10:39 a.m. by Tia Ghose, LiveScience
Plants suck up moisture through their roots and less moisture could cause a 'hydraulic failure.'
Ozone hole nears record-breaking size again
November 12, 2015, 10:56 a.m. by Elizabeth Newbern, LiveScience
The hole over Antarctica has actually been shrinking over the past few years.