29 March 2013, 05:47 PM ET
Is global warming leading to more precipitation and record-breaking pollen counts?
28 March 2013, 12:44 PM ET
Tar sands' climate impact is too much for German researchers.
27 March 2013, 07:50 PM ET
As the climate warms on the surface of our planet, so too does the deep ocean.
27 March 2013, 06:20 PM ET
The thawing could add to global sea level rise.
27 March 2013, 03:05 PM ET
U.S. taxpayers are bailing out flood insurance, and climate change is making the problem worse.
27 March 2013, 02:51 PM ET
Is it time to replace the groundhog with an Arctic sea ice watch?
25 March 2013, 02:44 PM ET
Americans love to live at the beach, even if it's crowded.
23 March 2013, 10:28 AM ET
Exotic physics, ocean blooms and the legacy of whale ancestors are a few of our top images this week.
20 March 2013, 05:05 PM ET
Geologist Aaron Putnam and colleagues led expeditions to Asia's high mountains and driest deserts to study the link between water and climate.
19 March 2013, 08:03 PM ET
Less time on the ice makes it tougher for bears to hunt for food.
19 March 2013, 03:51 PM ET
Polar scientists plan to survey changing sea ice and galloping glaciers.
18 March 2013, 02:52 PM ET
By 2100, expect more coastal flooding from warming-fueled hurricanes.
14 March 2013, 05:43 PM ET
A storm fractured preternaturally thin Arctic ice in late February.
14 March 2013, 04:38 PM ET
Last month was among the top 10 warmest Februaries for the planet since record keeping began in 1880, scientists say.
12 March 2013, 01:03 PM ET
Livestock populations have long been vilified as major culprits behind desertification. But one scientist believes the animals could actually be used to heal some of the world's most degraded landscapes.
11 March 2013, 12:51 PM ET
Higher temperatures and a longer growing season mean some of Earth's chilliest regions are looking increasingly green, researchers say.
08 March 2013, 12:25 PM ET
Older people are particularly likely to die as a result of natural disasters.
07 March 2013, 04:33 PM ET
A fifth of the Arctic Archipelago's glacial ice could vanish before 2100.
04 March 2013, 03:04 PM ET
Shrinking sea ice means more coastal flooding and hard-hitting storms.
01 March 2013, 06:01 PM ET
When it comes to resisting the effects of acidification, not all oceans are created equal.
01 March 2013, 05:31 PM ET
Summer of '13 beats out 1997-1998 for heat.
01 March 2013, 03:06 PM ET
Chemical compounds spewed during a decade of modest volcanic eruptions could be to thank.
28 February 2013, 02:00 PM ET
Past increases in carbon dioxide levels in Antarctica were tied to warming temperatures, suggesting modern greenhouse gas emissions may cause similar warming
27 February 2013, 09:40 AM ET
The entire Maldives, a nation of low-lying islands, pledges to become a sustainable reserve.
27 February 2013, 09:04 AM ET
Should we engineer the planet to save ourselves from natural disasters?
26 February 2013, 12:37 PM ET
Most of the world's coral reefs could be in big trouble by the end of the century, or much sooner, a new report warns.
25 February 2013, 04:00 PM ET
Heat waves and other weather anomalies may result from massive waves of air getting stuck.
25 February 2013, 02:30 PM ET
Videos taken at 4:15 a.m. CST and 8:15 a.m. CST show blizzard conditions in Amarillo, Tex. on Feb. 25, 2013. Hurricane-force wind gusts swept the Texas panhandle as the storm dumped more than 17 inches (43 cm) of snow.
24 February 2013, 01:00 PM ET
Seals help scientists find a new source for cold, deep ocean water.
22 February 2013, 02:23 PM ET
Scientists are surprised to find lowlands may trap more carbon than steep slopes.
21 February 2013, 02:00 PM ET
Scientists watch as aerosols form above a forest, the first time anyone has seen these tiny particles grow.
21 February 2013, 12:09 PM ET
The Green School Alliance aims to stimulate environmental thinking in three thousand schools, across 18 countries, by challenging students to save energy dollars competitively.
21 February 2013, 10:05 AM ET
The U.S. Global Change Research Program has made a 70-year global precipitation model. Continuing greenhouse gas emission levels (A2) produce a more severe outlook than an alternative (B1) based on worldwide cooperation in environmental policy.
14 February 2013, 02:00 PM ET
The Arctic's record sea ice melt in 2012 meant the growth of more algae, a carbon trap and rich food source for marine life.
13 February 2013, 09:08 AM ET
US President Barack Obama pressed Congress to enact legislation on climate change during his State of the Union address on February 12th, 2013.
12 February 2013, 10:34 PM ET
Obama cites the science that suggests extreme events will become more common in a warming world.