23 September 2013, 05:19 PM ET
This week, the Intergovernmental Panel on Climate Change (IPCC), an international organization established by the United Nations to assess the risks and impacts of global warming, will release its latest big report on the science of climate change.
23 September 2013, 04:36 PM ET
As the huge effort to compile the latest Intergovernmental Panel on Climate Change (IPCC) report comes to a close this week, many researchers expect new certainty to emerge in such areas as sea level rise and global temperature increases.
21 September 2013, 10:02 AM ET
The beauty of the Northern Lights, a frozen ancient forest and a great blue hole are just a few of the amazing photos Science brought us this week.
20 September 2013, 04:40 PM ET
The Arctic icepack reached its summer low for 2013 on Sept. 13. The annual melt season shrank the polar ice cap down to 5.10 million square kilometers (2.00 million square miles). This makes 2013 the 6th lowest year on record in the past 30 years.
20 September 2013, 04:32 PM ET
The Arctic icepack reached its summer low on Sept. 13. The summer melt season shrank the ice down to 5.10 million square kilometers (2.00 million square miles), the sixth lowest on record.
20 September 2013, 03:15 PM ET
Some of the richest ecosystems on Earth are estuaries, where freshwater and saltwater collide with the tides. For the first time, scientists have discovered an estuary underneath the edge of Antarctica's massive ice sheet.
19 September 2013, 05:15 PM ET
Female scientists and leaders from more than 35 countries will descend on the small town of Suffern, N.Y., this weekend to discuss issues at the intersection of climate policy and women's empowerment.
19 September 2013, 04:55 PM ET
With 800 volunteer reviewers, the latest report from the Intergovernmental Panel on Climate Change (IPCC) was bound to leak. Here is a sneak preview of what to expect when the report is issued next week.
18 September 2013, 04:46 PM ET
More than 250 climate scientists will meet in Sweden next week to finalize part of the Intergovernmental Panel on Climate Change's latest report. Here are some frequently asked questions about the IPCC's assessments.
18 September 2013, 03:16 PM ET
Is it too late to slow climate warming?
18 September 2013, 02:22 PM ET
The Arctic icepack appears to have reached its summer low this week. The annual summer melt season shrank the polar ice cap down to 5.10 million square kilometers (2.00 million square miles) on Sept. 16, according to the National Snow & Ice Data Center
18 September 2013, 02:16 PM ET
Water from different parts of the world has different isotopes, and understanding how they move, mix, and eventually return to where they started helps scientists better understand the water cycle, changing weather patterns, and the possible effects
18 September 2013, 10:28 AM ET
Hal Harvey, CEO of Energy Innovation and Senior Fellow at The Paulson Institute, explains the incredible dangers climate change presents humanity and the surprising innovations that may be able to prevent them.
17 September 2013, 03:57 PM ET
Sea ice surrounding Antarctica hit a record high in August and is on track for another record-breaking month in September. Clocking in at a stunning 7.2 million square miles (18.7 million square kilometers), last month's sea ice extent was 4.5 percent
16 September 2013, 07:11 PM ET
NOAA research suggests global warming is already making weather worse.
12 September 2013, 02:01 PM ET
A two-month-long expedition to the remote Pine Island Glacier ice sheet in Antarctica has revealed that currents of warm water beneath the glacier are melting the ice at a staggering rate of about 2.4 inches (6 centimeters) per day.
11 September 2013, 09:22 PM ET
The military must transition away from the burdens of fossil fuels.
11 September 2013, 07:07 PM ET
EPA launches effort to engage the public in development of power-plant standards.
11 September 2013, 04:08 PM ET
As society waits to respond to global risks, challenges are becoming more difficult to solve.
10 September 2013, 11:57 AM ET
The Rim Fire is an omen for the West, according to a new study of future wildfire activity and smoke pollution. Researchers are predicting more smoke pollution, even in communities far from the forest's edge, as more fires burn with rising temperatures,
10 September 2013, 10:25 AM ET
Former Air Force Lieutenant General Norman Seip speaks to threat climate change and dependence on fossil fuels harms the nations military and the importance of working together to solve the problem.
09 September 2013, 11:46 AM ET
Man-made climate change contributed to some of 2012's most extreme weather, including the spring and summer heat waves in the United States and Hurricane Sandy, according to a new report.
06 September 2013, 09:05 AM ET
Researchers have determined that the West Antarctic Ice Sheet – one of the largest and most vulnerable ice sheets in the world – formed 20 million years earlier than thought.
05 September 2013, 12:00 PM ET
Coral reefs, which depend on symbiotic algae for their food, expel that algae in a process called bleaching when they are stressed by heat and other triggers. A new study shows that the sun doesn't need to be shining for this to happen.
04 September 2013, 01:45 PM ET
Learn how you can get your questions answered by NASA's climate scientists in this public outreach program.
04 September 2013, 10:43 AM ET
High humidity and light rainfall helped firefighters contain 75 percent of the Rim Fire by Tuesday morning (Sept. 3), the U.S. Forest Service said. The Rim Fire's change in speed and intensity is dramatic evidence that fire management is as important as c
02 September 2013, 09:31 PM ET
With more warm days come extended risks.
02 September 2013, 03:00 PM ET
A meteor or comet impact near Quebec heaved a rain of hot melted rock along the Atlantic Coast about 12,900 years ago, a new study claims. The new research impacts a controversial theory about a big climate shift called the Younger Dryas.
28 August 2013, 02:42 PM ET
Cooling sea-surface temperatures over the tropical Pacific Ocean — part of a natural warm and cold cycle — may explain why global average temperatures have stabilized in recent years, even as greenhouse gas emissions have been warming the planet.
27 August 2013, 11:33 PM ET
Healthcare providers should be at the front lines of climate-change action.
26 August 2013, 04:20 PM ET
Changes in temperature, rainfall and wind speed over the next 77 years increases the likelihood of extreme fire events across large portions of the U.S., Canada and Mexico.
26 August 2013, 11:19 AM ET
When rain falls on Australia's vast inland plains, the continent soaks up water like a sponge instead of sending surface runoff back out to sea via streams and rivers. For an 18-month period starting in early 2010, so much rain fell over Australia that gl
24 August 2013, 07:16 PM ET
Political positions that work against sustainability are not a healthy choice.
23 August 2013, 05:37 PM ET
The Arctic is losing about 30,000 square miles (78,000 square kilometers) — an area roughly equivalent to the state of Maine — of sea ice each year, NASA scientists say.
23 August 2013, 01:45 PM ET
Why are states lagging in disaster preparedness as storms worsen?
23 August 2013, 12:24 PM ET
This animation shows changes in Arctic sea ice cover between May 2013 and August 2013. The sea ice cap, which has significantly thinned over the past decade, can be seen retreating quickly during the first half of July.