06 May 2014, 04:43 PM ET
The U.S. National Climate Assessment shows that summers are getting hotter, heat waves are lasting longer, and weather is getting more extreme.
06 May 2014, 01:15 PM ET
From longer and hotter summers to heavier downpours to more coastal flooding, the effects of human-induced climate change are already hitting every region of the United States and the U.S. economy, a government report finds.
06 May 2014, 12:49 PM ET
The White House will broadcast an event online today to highlight the findings of the newly released National Climate Assessment, which details the regional effects of climate change and examines the impact of global warming on the national economy.
04 May 2014, 06:15 PM ET
When in January rainfall was double the expected average over wide areas, many people made cautious links between such extreme weather and global climate change. There were nay-sayers at the time but it now seems that there is evidence for those links.
02 May 2014, 12:05 PM ET
Farmers in Iowa are seeing changes in rainfall amounts and temperature fluctuations.. Farmer Arlyn Schipper talks about the hazy future of farming.
02 May 2014, 11:11 AM ET
Farmers in Iowa are seeing changes in rainfall amounts and temperature fluctuations. Farmer Matt Russell talks about the impact being felt on the ground.
30 April 2014, 04:58 PM ET
Ocean acidification — a phenomenon in which the world's oceans become more acidic as they absorb higher levels of carbon dioxide from the atmosphere — is causing the shells of tiny marine snails to dissolve, according to a new study.
29 April 2014, 12:55 AM ET
The hiatus in global warming is leading to healthy debate, but to remain healthy, that debate must be informed.
25 April 2014, 01:50 PM ET
Greenland's two record-shattering surface melts, though more than a century apart, were both triggered by soaring temperatures east of the Rocky Mountains.
23 April 2014, 01:41 AM ET
The effects of a warming planet are now directly impacting the United States, says NRDC's Dan Lashof.
22 April 2014, 01:41 PM ET
In 2013 and 2014, areas around the globe have experienced record breaking temperatures over extended periods of time. This has led to a diminished water supply, thriving disease carrying insects and fire.
18 April 2014, 05:02 PM ET
Take a look at ratings for seven wild geoengineering ideas that could change the Earth's climate for better or for worse.
18 April 2014, 03:30 PM ET
Natural fluctuations have driven Earth's climate for millennia, but they are not the cause of modern warming.
18 April 2014, 03:07 PM ET
Across the West, wildfires grew bigger and more frequent in the past 30 years, according to a new study that blames climate change and drought for the worsening flames.
18 April 2014, 12:36 PM ET
A think-tank associated with a cosmetics company has a plan to brighten the surface of the moon in an effort to lighten up the night sky and reducing the need for electricity to run street lights. Scientists are skeptical.
17 April 2014, 02:00 PM ET
More than 10,000 feet below Summit, the highest point of Greenland's Ice Sheet, is a soil born before humanity's ancestors ever walked on Earth.
16 April 2014, 04:37 PM ET
The jet stream's plunging pattern is a long-standing natural phenomenon. However, new findings also suggest that global warming may boost the frequency or intensity of the curves, which would mean more extreme winter weather in the United States and Canad
12 April 2014, 04:03 AM ET
Photos of the oldest living things, a ghostly beauty in Death Valley and a UFO on Mars — just a few of the most amazing images in Science.
11 April 2014, 01:06 PM ET
Rising temperatures are affecting the size of salamanders in the Appalachian Mountains.
09 April 2014, 03:11 AM ET
The reason why pandas are going extinct is nothing to do with their cycles. It is because so much of their natural environment has been destroyed.
07 April 2014, 04:41 PM ET
Arctic sea ice hit its annual peak on March 21. It was the fifth-lowest maximum extent since 1979.
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.