05 February 2013, 05:33 PM ET
More water than expected enters stratosphere, where it's a potent greenhouse gas.
04 February 2013, 11:45 AM ET
Recent extreme rains may have been intensified by the rising global average temperature.
01 February 2013, 01:37 PM ET
A massive Arctic storm did not contribute to last year's record sea ice melt, scientists find.
28 January 2013, 12:53 PM ET
Sandy and other disasters have shown that cities are vulnerable and must prepare.
28 January 2013, 09:37 AM ET
Proposed bills could disrupt the teaching of evolution and climate change.
27 January 2013, 04:21 PM ET
Heat released by cities is disrupting air circulation patterns, making some places warmer and others cooler.
26 January 2013, 11:45 AM ET
Star outbursts, stargazing dung beetles and newly discovered details about human DNA all made our list this week. Check these out.
25 January 2013, 01:45 PM ET
On unseasonably warm days, political independents are likelier to say climate change is real and human caused
23 January 2013, 06:46 PM ET
Scientists work to understand how fast Greenland's massive ice sheet might melt in a warming climate.
23 January 2013, 01:00 PM ET
It got hot, but much of Greenland's ice stuck around.
23 January 2013, 12:03 PM ET
NOAA has granted Arizona and New Mexico $3.5 million over the next five years to help prepare for and adapt to climate variability and change.
22 January 2013, 05:07 PM ET
Science terms go in and out of fashion.
22 January 2013, 12:15 PM ET
Many tropical glaciers will vanish within years.
22 January 2013, 10:41 AM ET
Famed British naturalist warns of population growth.
21 January 2013, 04:00 PM ET
The dazzling blue melt ponds that dot the Arctic sea ice speed up melting.
21 January 2013, 02:26 PM ET
Scientists and advocacy groups praise the environmental focus.
20 January 2013, 08:30 AM ET
Polarization in Congress may stymie any overarching plan to combat global warming.
18 January 2013, 06:37 PM ET
The International Space Station shooting across the sky, climate change threatening a unique Hawaiian plant and record cold chilling the southwest all made our top picks this week. Check these out.
16 January 2013, 06:21 PM ET
Once a conservation success story, the rare Haleakalā silversword plant is dying off as weather patterns shift on Maui.
16 January 2013, 05:00 PM ET
As climate change has warmed average spring temperatures at two historic American sites, the date that plants first flower has crept earlier
15 January 2013, 02:00 PM ET
The nine warmest years since 1880 have occurred since 2000, revealing a trend of global warming.
14 January 2013, 06:10 PM ET
A blocked atmosphere pattern has Arctic air extending all the way to Mexico.
14 January 2013, 05:19 PM ET
The hands of the infamous "Doomsday Clock" will stay firmly in place for the year 2013.
14 January 2013, 11:53 AM ET
Hurricanes may have a ferocious bark, but the bite of floods and droughts is worse.
14 January 2013, 11:12 AM ET
Don't let the chilly weather fool you; Earth is getting hotter.
11 January 2013, 06:36 PM ET
The future looks bleak for Americans, who can expect their livelihoods changed by global warming.
10 January 2013, 01:18 PM ET
As the planet warms, will we see more trapped sea mammals?
08 January 2013, 06:29 PM ET
The coldest winter in nearly 30 years chills China.
08 January 2013, 05:56 PM ET
The heat is expected to get worse before it's over.
08 January 2013, 05:45 PM ET
The blanket of snow that covers Arctic regions for most of the year has been shrinking at an increasing pace over the past decade, researchers say.
08 January 2013, 03:37 PM ET
Marshes in San Francisco Bay will become mud flats as sea-level rise drowns plants, a new study finds.
08 January 2013, 01:32 PM ET
The continental U.S. was 3.2 degrees F above the 20th-century average.
02 January 2013, 06:01 PM ET
While scientists knew that volcanism caused climate change, new research suggests it goes the other way too
02 January 2013, 03:48 PM ET
Scientists shocked to see coral growing so far down.
02 January 2013, 02:27 PM ET
The deepest corals of the Great Barrier Reef
02 January 2013, 01:00 PM ET
Political indecision drives global warming, study finds.