01 April 2014, 01:18 PM ET
Extreme bicycle racers have set a new record on the Iditarod Trail Invitational, a frigid, 1,000-mile endurance race in the Alaskan tundra. But record low snowfall this year may have played a role in the record.
31 March 2014, 02:38 PM ET
Members of about 100 countries have joined together to issue a new report that emphasizes the immediacy of dangers related to climate change.
29 March 2014, 12:16 AM ET
Every day there seems to be more confusing (and sometimes downright misleading) news about climate change.
27 March 2014, 02:22 PM ET
Six big glaciers in West Antarctica are flowing much faster than 40 years ago.
25 March 2014, 07:18 AM ET
By measuring the amount of red and green in paintings, researchers have estimated past aerosol pollution levels.
25 March 2014, 06:00 AM ET
Through an artist's eye, scientists are tracking the climate swings caused by volcanic eruptions.
24 March 2014, 05:15 PM ET
Dinosaurs that roamed the Earth 250 million years ago had five times more carbon dioxide in the atmosphere than we have today
24 March 2014, 11:12 AM ET
Iron-rich dust from New Zealand may have lowered global temperatures during the last ice age.
23 March 2014, 02:00 PM ET
UK researchers found the risk of dying from heart or respiratory problems increased by more than 10 percent for every 1.8-degree-Fahrenheit increase in temperature during the summer months between 2001 and 2010.
20 March 2014, 08:25 PM ET
Clean energy improvements underway in states across the U.S. are showing that national limits on carbon pollution from power plants could save billions of dollars and thousands of lives.
20 March 2014, 03:05 PM ET
The White House launched a new effort Wednesday to make climate data more accessible to the public.
20 March 2014, 02:00 PM ET
Results from ice age sediments deal a blow to geoengineering schemes, which seek to slow global warming with iron fertilization.
19 March 2014, 04:33 PM ET
Levels of carbon dioxide in Earth's atmosphere this year have already surpassed a troublesome record set in May 2013.
19 March 2014, 02:00 PM ET
The twilight zone plays a prominent role in transferring the atmosphere's excess carbon dioxide (from fossil fuel burning) into deep ocean storage. Now, the scientists think they can finally balance the twilight zone's carbon checkbook.
18 March 2014, 12:17 PM ET
Scientists have launched a new effort to engage the public in the threats of climate change to try to compel people to debate what should be done about climate change rather than whether or not climate change is happening.
17 March 2014, 03:00 PM ET
It turns out that relying on the first flowers of spring may lead researchers to underestimate the full impact of climate change.
17 March 2014, 12:00 PM ET
Moss frozen on an Antarctic island for more than 1,500 years was brought back to life in a British laboratory, researchers report.
16 March 2014, 02:02 PM ET
The last stable part of the Greenland Ice Sheet has started melting, a new study finds.
16 March 2014, 02:00 PM ET
Spectacular images of shrinking glaciers in northeast Greenland.
15 March 2014, 01:34 PM ET
This week we found images of the Grand Canyon, rogue black holes and even volcanic steam.
15 March 2014, 02:05 AM ET
Guacamole, Coke and Nike clothes are all products feeling the heat of a changing climate.
13 March 2014, 02:53 PM ET
Although most Americans believe global warming's effects will take hold during their lifetime, they don't expect these changes to pose a serious threat to their way of life, according to a new poll.
13 March 2014, 09:10 AM ET
Global warming's crystal ball is clearing as climate models improve, and scientists now predict that some regions will see a month's less rain and snow by 2100.
12 March 2014, 12:54 PM ET
NASA's IceBridge campaign returns to Greenland and the Arctic for its 2014 survey of glaciers and sea ice.
12 March 2014, 09:51 AM ET
Climate change could put the kibosh on some of the biggest waves on Australia's east coast, disappointing surfers everywhere.
10 March 2014, 10:56 PM ET
Open ocean clouds have been found to contain biological substances that can be traced to the waters where they formed.
07 March 2014, 03:56 PM ET
Antarctica may be the last place one would expect to find a mathematician, but Ken Golden isn't your average mathematician. Golden, a mathematician at the University of Utah, is using math to model the melting of the polar ice caps.
06 March 2014, 11:07 PM ET
According to a new analysis, the U.S. is at risk for its own Fukushima-like disaster.
06 March 2014, 09:30 AM ET
The effects of global warming could cost the world $1.45 trillion in economic damages, with the planet's crop production projected to decline up to two percent every decade, according to news reports.
04 March 2014, 07:01 PM ET
If current trends in global warming continue unmitigated, some of the world's most well-known and historically significant cultural landmarks could be destroyed by rising global sea levels, according to a new study.
04 March 2014, 05:42 PM ET
Researchers have discovered that willows play a surprising role in countering climate change in Alaska, one of the fastest-warming spots in the world.
04 March 2014, 02:50 PM ET
As invasive species continue their march across continents, one weapon stands in their way: a bitterly cold winter. Here are six invasive pests whose populations might not survive sub-freezing temperatures.
03 March 2014, 03:33 PM ET
A shift from briny to fresh in Antarctica's ocean waters in recent decades means the Southern Ocean's coldest, deepest currents may be shutting down, a new study finds.
28 February 2014, 04:08 PM ET
California is fed up with cleaning up the plastic that collects on its waterways and beaches, but whose responsibility is it to clean up this made-made marvel that never breaks down? The plastic manufacturers make the stuff…should they clean it up?
28 February 2014, 11:40 AM ET
Thanks to a few inches of fresh snow, the route for Alaska's venerable Iditarod sled dog race, which kicks off on Saturday (March 1), may be in much better shape than race organizers feared just a week ago.
27 February 2014, 07:54 PM ET
Whales are pushing into new territory as the far north warms quicker than the rest of the planet and sea ice retreats.