Global Warming Archive
08 August 2014, 10:18 AM ET
There are fewer days with tornadoes compared to 60 years ago, but the risk of deadly tornado clusters is rising.
04 August 2014, 03:00 PM ET
Huge wildfires sparked by a powerful El Niño event 16 years ago left a distinct tinge of sulfur in Antarctica's snow.
01 August 2014, 07:56 AM ET
Ants may be some of Earth's most powerful biological climate brokers, a provocative new study claims.
31 July 2014, 02:30 PM ET
Record-high waves hit the Beaufort Sea, north of Alaska, in September 2012, when Arctic sea ice shrank to an extreme summer low.
30 July 2014, 06:55 PM ET
Humans are causing the climate to change, but we'll also be the ones to fix it.
30 July 2014, 06:26 PM ET
A trio of mysterious gaping holes in northern Siberia has spawned many theories about their origin, but scientists have suggested some concrete explanations.
29 July 2014, 01:32 PM ET
The generation that would face the full effects of climate change needs to help lead the charge to prevent them.
29 July 2014, 01:59 AM ET
Hawai'i faces the same risks from rising sea levels as other atolls and islands.
26 July 2014, 01:45 AM ET
Street by street, tracking methane leaks.
24 July 2014, 07:54 PM ET
The obsessive attention to the state of the latest El Niño comes from the major global impacts it can have.
24 July 2014, 12:58 PM ET
According to the National Climate Assessment’s Mitigation humans need to quickly ween off fossil fuels in favor of alternative energy sources to reduce what could be a 10°F average temperature increase by 2100.
22 July 2014, 09:01 AM ET
Recent satellite data suggests that Antarctica's sea ice is expanding even as the Arctic heads toward an ice-free future. But a new study argues that much of the trend is a glitch in the data, not a real observation.
21 July 2014, 05:28 PM ET
During extreme or unusual weather, Americans' political leanings seem to influence their Internet searches about the climate, new research suggests.
21 July 2014, 03:50 PM ET
Most Pacific islands will see dramatic change with sea level rise. Some low-lying islands could cease to exist. Many of Hawaii's roads and airports, sited on volcanic lowlands, are at risk from higher seas and stronger oceanic storm surges.
21 July 2014, 02:03 PM ET
Cork quality has been declining for years, and scientists think it may be from cork oak trees adapting to climate change.
18 July 2014, 01:47 AM ET
Iowa's crops — and farmers — are having a tough time adapting to a warming climate.
17 July 2014, 12:51 PM ET
The planet shattered several climate records in 2013, from greenhouse gases to roasting Arctic heat to extreme storms, a newly released report on the state of the global climate says.
16 July 2014, 08:02 PM ET
Ray Gaesser has been farming in Iowa for over 35 years has been seeing an huge surge in extreme events over the past few years. Excess moisture has led to disease in his crops.
16 July 2014, 07:45 PM ET
The lead author on the National Climate Assessment’s Climate Science chapter Don Wuebbles presents the scientific observations of changing climate.
16 July 2014, 02:02 PM ET
Whale sharks -- the world's largest fish -- are appearing more frequently near the Azores islands, due to climate change, a new study finds.
16 July 2014, 11:20 AM ET
January-June 2014 was the warmest first half to a year ever in California, helping fuel the state's drought.
16 July 2014, 07:26 AM ET
A new global survey of human development finds people have settled more of the Earth than previously estimated.
16 July 2014, 07:21 AM ET
New radar imagery shows human impacts on Earth, including sprawling urban cities and rural landscapes.
15 July 2014, 01:06 AM ET
When it takes over ecosystems, this invader causes soils to surrender their carbon and release it as greenhouse gas.
12 July 2014, 11:11 AM ET
A stunning super moon, a mass of anchovies and African dust made our top picks for the best images in Science this week.
10 July 2014, 10:48 AM ET
A new snapshot of U.S. methane emissions in 2004 found 40 percent higher methane levels from livestock than had been estimated by the Environmental Protection Agency.
09 July 2014, 05:43 PM ET
Satellites could be a promising tool for tracking Arctic wildlife on the ground, a new study suggests.
09 July 2014, 11:35 AM ET
Models show summers are going to keep warming as emissions continue. See what this will warming feel like.
08 July 2014, 03:31 PM ET
: Two new mammal fossils, including a never-before-described hedgehog, are the first mammals found at an Eocene fossil site in British Columbia. The fossils help fill in a gap in a time period known mostly from fossils in the United States and the Arctic.
08 July 2014, 10:22 AM ET
Global cooling caused by some historic volcanic eruptions wasn't as extreme as climate scientists recently thought, according to newly revised ice core records from Antarctica.
02 July 2014, 05:27 PM ET
July 2012 is no longer the hottest month ever recorded in the United States. Here's why.
30 June 2014, 05:19 PM ET
California's rainfall year ended today, and though the final totals aren't yet official, the parched state will likely end up with one of its lowest rainfall years since the 1920s.
30 June 2014, 10:59 AM ET
As climate change melts sea ice, emperor penguin populations across Antarctica across Antarctica could drastically decline, with many of the colonies dropping by more than half by 2100, warn scientists.
26 June 2014, 02:00 PM ET
A dramatic slowdown in deep ocean currents matches a major reset in Earth's ice ages about 1 million years ago, new evidence from the South Atlantic seafloor suggests.
26 June 2014, 02:48 AM ET
You might have seen in recent news that climate change may increase the size of some sea turtle populations, by increasing the number of female turtles.
24 June 2014, 11:17 PM ET
A new report by the Risky Business Project quantifies the impacts of climate change on the U.S. economy.