08 April 2015, 10:25 AM ET
Though California is facing the worst drought on record, the future may not be catastrophic, if the state takes action now.
07 April 2015, 12:43 PM ET
A remarkable heat wave warmed Antarctica's northernmost peninsula to slightly above 63 degrees Fahrenheit (17.5 degrees Celsius) two weeks ago — a record high for the normally cold continent.
06 April 2015, 03:03 PM ET
Much of western Canada's glacial ice could disappear by the end of the 21st century.
03 April 2015, 03:06 PM ET
The 2011 Japan tsunami released thousands of tons of ozone-destroying chemicals and greenhouse gases into the air.
03 April 2015, 01:43 PM ET
To survive global warming, technology for survival needs to reach all nations.
01 April 2015, 01:00 PM ET
Even though some polar bears are hunting on land more often in areas hit by shrinking Arctic sea ice, a diet of bird eggs and berries can't sustain these huge animals, a new study finds.
01 April 2015, 07:38 AM ET
Antarctic octopuses survive subzero temperatures because of the blue pigments in their blood, a new study finds.
31 March 2015, 04:10 PM ET
A new global map of water surface temperatures is so visually stunning that it easily may be mistaken for art.
27 March 2015, 12:30 PM ET
In West Antarctica, some ice shelves could melt away within a century.
25 March 2015, 04:43 PM ET
Pine Island Glacier in West Antarctica flowed about 325 feet (100 meters) between March 3 and March 15, 2015.
25 March 2015, 07:07 AM ET
The spring snowmelt comes more than two weeks earlier than it did in the 1970s in Wyoming's Wind River Range, a new study finds.
21 March 2015, 08:07 PM ET
Akin to the poet laureate position, the honorary one-year laureate appointment would give a respected scientist an official national platform to enhance the public understanding of science and attract students to STEM fields.
20 March 2015, 07:40 AM ET
Arctic sea ice hit its annual peak early this year, and climate scientists say the North's below-average ice conditions made this year's maximum extent the lowest on record.
19 March 2015, 09:02 AM ET
Global emissions of carbon dioxide stalled in 2014, marking the first time in 40 years that there was no climb in emissions during a time of economic growth. This suggests efforts to reduce emissions may be working, but experts say it's not that simple.
18 March 2015, 01:20 PM ET
A glacier the size of California in East Antarctica is in danger of melting away, which could lead to an extreme thaw increases sea levels by about 11.5 feet (3.5 meters) worldwide if the glacier vanishes, a new study finds.
12 March 2015, 10:33 AM ET
Winter is when Arctic sea ice reaches its peak extent, but this year it could set a record seasonal low.
11 March 2015, 07:07 AM ET
At least seven snowy owls have been spotted in New York City since December, and scientists are reaping the benefits. By tagging the owls, researchers have learned surprising things about the birds' feeding habits and ecology.
11 March 2015, 06:58 AM ET
Isolated glaciers can store liquid water in their upper layers for years, similar to firn aquifers found in Greenland.
09 March 2015, 05:22 PM ET
The famous Chinchorro mummies, which have remained preserved in Chile for more than 7,000 years, are now under threat from increased levels of moisture.
09 March 2015, 04:51 PM ET
Florida, one of the states most susceptible to the effects of climate change and sea-level rise, verbally banned state environmental officials from using the term "climate change," an investigation revealed. But the Sunshine State isn't the only U.S. stat
05 March 2015, 12:59 PM ET
A weak El Nino has finally emerged a year after its first signs of forming, but weather impacts will be muted.
05 March 2015, 01:15 AM ET
To solve the climate crisis, people will need to see beyond their human nature.
04 March 2015, 07:36 AM ET
Arctic sea ice — the ice that freezes and floats on Arctic waters — is thinning at a steadier and faster rate than researchers previously thought, a new study finds.
03 March 2015, 07:29 AM ET
Earth's last ice age was so cold that even Antarctica's emperor penguins had trouble with the chill, a new study finds.
02 March 2015, 06:36 PM ET
California's severe drought is just a taste of the dry years to come, thanks to global warming, a new study finds.
26 February 2015, 04:48 PM ET
Last summer, the discovery of several new giant craters in Siberia drew worldwide interest, launching wild speculation that meteorites, or even aliens, caused the gaping crevasses. And now, scientists have found even more of them.
26 February 2015, 04:47 PM ET
Seven giant craters have mysteriously appeared in northern Siberia, possibly due to methane gas released from melting permafrost. And scientists think may be dozens more.
26 February 2015, 03:22 PM ET
The Pacific was a planetary air conditioner for the past two decades, but the relief may soon end, a new study finds.
26 February 2015, 12:42 PM ET
If you’re younger than 30, you’ve never experienced a month in which the average surface temperature of the Earth was below average.
25 February 2015, 02:45 PM ET
The climate-changing greenhouse effect exists and has been directly measured in the United States.
24 February 2015, 12:54 PM ET
Mysterious flooding and high tides along the East Coast in 2009 and 2010 now have an explanation: a major change in the Atlantic Ocean's wind patterns and warm-water currents.
19 February 2015, 04:50 PM ET
As if the outdoors weren't harsh enough with Boston buried under ungodly amounts of snow and the rest of the Northeast unable to shake the bitter cold, more winter weather is on the way. So what's behind this extreme chill?
19 February 2015, 04:27 PM ET
Hot and humid cities can birth more summer thunderstorms than rural areas in the Southeast.
17 February 2015, 08:20 AM ET
Colorful satellite maps show how ocean acidification varies across the globe, a first step toward monitoring this side effect of climate change from space.
13 February 2015, 12:13 AM ET
More schools are divesting from fossil fuels, a trend that appears to be accelerating.
12 February 2015, 02:00 PM ET
Before this century ends, the Southwest and Central Plains states could shrivel under decades-long megadroughts worse than those that ended the Ancestral Pueblo civilization millennia ago.