Global Warming Archive
03 February 2014, 06:45 PM ET
Deaths due to heat waves could rise three to four times in some regions by the middle of this century, according to a new U.K. study.
03 February 2014, 05:01 PM ET
An amazing landscape left behind by melting ice sheets offers clues to the future of Greenland's disappearing glaciers, a new study suggests.
03 February 2014, 10:00 AM ET
The world's fastest glacier broke its own speed record again, quadrupling its summer run to the sea between the 1990s and 2012.
03 February 2014, 07:00 AM ET
The Great Lakes share a surprising connection with Wisconsin's small lakes and aquifers — their water levels all rise and fall on a 13-year cycle, according to a new study. But that cycle is now mysteriously out of whack, researchers have found.
02 February 2014, 01:00 PM ET
A new study says the Arctic's cap of cold, layered air plays a more important role in boosting polar warming than does its shrinking ice and snow cover.
31 January 2014, 06:16 PM ET
In addition to cold, the Polar Vortex is also tied to record heat.
31 January 2014, 02:51 PM ET
Americans facing worsening natural disasters are showing signs of increased mental anguish, say psychologists.
31 January 2014, 02:46 PM ET
Volunteers track shifts in temperature with their homemade rinks.
30 January 2014, 04:03 PM ET
Summer high tides are getting higher in the eastern Gulf of Mexico, boosting the destructive power of hurricanes.
30 January 2014, 02:00 PM ET
Levels of methane, a climate-changing greenhouse gas, have been rising since 2007. But federal budget woes are shrinking the monitoring network that tracks greenhouse gases such as methane.
29 January 2014, 08:00 PM ET
Climate change may soon put more ice shelves in the Antarctic Peninsula at risk of collapse, a new study finds
29 January 2014, 05:01 PM ET
Increased rainfall associated with climate change has increased the rate of chick mortality in Argentinean penguin colonies, according to a new study.
29 January 2014, 12:13 PM ET
An emphatic five words spoken by President Obama last night during the State of the Union address were bittersweet for some climate scientists, who applaud the declaration of climate change as a fact. But what can he do to make a difference?
23 January 2014, 05:14 PM ET
Once thought steady and predictable — and handy for gauging past climate change — rivers are a little wilder than scientists once thought.
23 January 2014, 03:39 PM ET
As climate change has shortened the hunting season on sea ice, polar bears have shifted to eating more land-based foods such as geese, eggs and caribou.
23 January 2014, 03:14 PM ET
As climate change has shortened the hunting season on sea ice, polar bears have shifted to eating more land-based foods such as geese, eggs and caribou.
22 January 2014, 02:18 PM ET
Though physically distant from Antarctica, water masses in the north and tropical regions of the Atlantic Ocean appear to have a significant influence on the effects of climate change on the icy continent.
21 January 2014, 02:23 PM ET
How much of an impact does beef really have on health and the environment?
21 January 2014, 02:19 PM ET
Since 1950, average temperatures have increased 1.1°F to an average of 58.3° in 2013. Increase in greenhouse gas levels continue to drive the temperature increase.
21 January 2014, 01:59 PM ET
It's official: 2013 was one of the hottest on record, tying 2003 as the world's fourth warmest year since record keeping began in 1880, a new analysis shows.
21 January 2014, 11:38 AM ET
Renewable biofuels are sometimes criticized for effecting food prices when they use food crops, which is why a research program in France is aiming to turn straw and other agricultural waste into jet fuel.
19 January 2014, 01:00 PM ET
The most intense El Niño events may soon hit every 10 years, instead of every 20 years, thanks to warming water in the eastern Pacific Ocean, a new study predicts.
16 January 2014, 02:05 PM ET
Rapidly growing mountains have higher rates of soil production and weathering than scientists thought possible, suggesting they may be able to act as carbon sinks.
16 January 2014, 12:51 PM ET
A new survey finds that while the proportion of Americans who believe in climate change holds steady, the number of the uncertain has dropped and the ranks of the disbelievers have grown.
16 January 2014, 09:36 AM ET
Pine Island Glacier – one of the largest glaciers within the West Antarctic Ice Sheet – is about to undergo rapid, uncontrollable retreat, new research finds.
15 January 2014, 03:53 PM ET
The cold snap triggered by the polar vortex was paltry compared to cold waves in the past four decades.
15 January 2014, 01:00 PM ET
Roiling air currents above cracks in Arctic sea ice help pull down toxic mercury and ozone from the atmosphere — an unexpected new source of mercury pollution in the polar environment.
14 January 2014, 04:06 PM ET
A prominent scientists' group warns that nuclear weapons and climate change threaten civilization. The Bulletin of Atomic Scientist's Doomsday Clock remains set at 11:55 p.m.
13 January 2014, 11:58 AM ET
The fact that the current weather influences Americans' belief about climate change has long frustrated scientists. Now, researchers discover that the reason for this shift is that people use the most accessible information available when making judgments
10 January 2014, 08:39 PM ET
Beneath the lush forests of the Amazon is a whole different level of diversity that new research says may be one of the keys to understanding how to stem the global impacts of deforestation.
10 January 2014, 11:52 AM ET
The Bay Area chapter of wants all local gas pumps to display a label that states, "WARNING! GAS USE CREATES CLIMATE DISRUPTION."
08 January 2014, 06:07 PM ET
Data from remote locations suggests global warming is not slowing at all.
08 January 2014, 05:05 PM ET
Emperor penguins may be one of the most awkward birds on land, but it turns out they can clamber up Antarctica's steep ice cliffs and start new nesting colonies if their sea-ice homes disappear, a new study finds.
06 January 2014, 04:06 PM ET
Record-breaking cold winter temperatures today (Jan. 6) means global warming must be a farce, right? Wrong, and here's why.
30 December 2013, 03:01 PM ET
Mangrove forests have more than doubled in expanse on the northern end of Florida's East Coast, likely because climate change has led to fewer cold snaps, a new study finds.
30 December 2013, 02:52 PM ET
Is industry really to blame for climate change?