Global Warming Archive
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.
11 February 2015, 04:37 PM ET
The polar vortex is sending cold air to the East again. Research continues into role warming might play.
11 February 2015, 01:00 PM ET
A massive outpouring of carbon dioxide from the deep ocean helped end the last ice age, scientists report today.
10 February 2015, 07:36 PM ET
A greenhouse gas is any gaseous compound in the atmosphere that is capable of absorbing infrared radiation, thereby trapping and holding heat in the atmosphere.
10 February 2015, 03:59 PM ET
Geoengineering offers solutions and risks but reducing emissions is still the best way to address climate change.
10 February 2015, 07:25 AM ET
Iceland is rising at a faster pace as global warming melts the island's ice caps, scientists say.
07 February 2015, 08:43 AM ET
While the tornado total will climb by 2100, the number of tornadoes will also swing wildly from year to year.
05 February 2015, 02:00 PM ET
The rise and fall of sea level during the past million years matches up with valleys and ridges on the seafloor, suggesting a link between underwater eruptions and ice ages, two new studies find.
30 January 2015, 04:19 PM ET
Americans support government action to combat the effects of global warming and will likely vote for candidates who put forth a promising stance on environmental issues, a new poll has found.
30 January 2015, 01:54 PM ET
A once-thriving Mesoamerican metropolis dried up about 1,000 years ago when below-average rainfall triggered centuries-long droughts that largely prompted people to abandon the city for greener opportunities, a new study finds.
30 January 2015, 01:35 PM ET
Layer by layer, scientists have filled in the hidden expanse of Greenland's vast ice sheet, revealing where the island hides its oldest ice.
30 January 2015, 12:50 PM ET
Seven thousand year-old rock paintings in the Sahara desert have, somewhat serendipitously, helped uncover evidence of ancient lake beds.
29 January 2015, 07:49 PM ET
Threats are starting to derail climate research, just when the planet needs it most.
29 January 2015, 02:00 PM ET
The general public and scientists disagree on a wide range of scientific topics, from the safety of genetically modified foods to the cause of climate change.
28 January 2015, 02:23 PM ET
We can reverse the planet's warming, but not with a "wait and see" approach.
27 January 2015, 10:17 AM ET
Norway's Austfonna ice cap is shrinking faster than 20 years ago, especially in the region where the ice meets the sea.
26 January 2015, 05:04 PM ET
A warming world could mean interesting changes for major snowstorms, like the nor'easter this week.
26 January 2015, 02:21 PM ET
The weird weather phenomenon known as La Niña could occur nearly twice as often in the future as it does now, due to global warming, researchers say in a new study.
24 January 2015, 06:23 PM ET
Caroline Farrior uses math to understand the old plants play in the global carbon cycle so scientists will be able to predict the path of climate change.
22 January 2015, 01:25 PM ET
Frustrated with a lack of international action to address climate change and shrink nuclear arsenals, The Bulletin of the Atomic Scientists decided to push the minute hand of its iconic Doomsday Clock to 11:57.
21 January 2015, 05:12 PM ET
The discovery of two lakes hidden beneath the Greenland ice suggests that climate change cuts to the bottom of the ice sheet.
21 January 2015, 01:41 PM ET
"It’s a result of human-induced global warming,” says NASA Goddard Space Flight Center's Steven Pawson referring to recently released data. Pawson notes how the cold East Coast winter and El Nino event had little effect on the rising temps.
21 January 2015, 12:38 PM ET
The ominous hands of the Doomsday Clock have been fixed at 5 minutes to midnight for the past three years. But they could move tomorrow.
21 January 2015, 11:55 AM ET
Melting glaciers pose another threat beyond sea level rise. They will dump massive amounts of organic carbon into the world's oceans, altering ecosystems.
16 January 2015, 11:24 AM ET
Believed to be caused by increasing human contribution of carbon dioxide and heat-trapping gases, the steady increase in average temperatures peaked yet again in 2014. Since 2000, the record for warmest year has been broken 10 times.
16 January 2015, 11:10 AM ET
Global temperatures in 2014 shattered earlier records, making 2014 the hottest year since 1880.
16 January 2015, 12:42 AM ET
Today (Jan. 16), climate scientists are expected to announce that global temperatures in 2014 shattered earlier records, making 2014 the hottest year since 1880.
13 January 2015, 07:44 PM ET
Atmospheric CO2 levels have already passed the 400 ppm mark in 2015, and it's only January.
13 January 2015, 03:07 AM ET
How much carbon is being released from the warming Arctic tundra?
13 January 2015, 02:33 AM ET
Scientists are racing against climate change to determine the impact of thawing Arctic soils and the carbon released during that process.
09 January 2015, 08:03 AM ET
The Soil Moisture Active Passive satellite, planned to launch on Jan. 29, will improve drought tracking in the United States and around the world.
06 January 2015, 06:38 PM ET
Lake Erie's double ecological disasters may share a common ultimate cause, but they form under different conditions, a new study finds.