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• Video 2:13
CNN
Video Iceland is entering a new period of volcanic unrest. See how one small team helps keep people safe 2:13
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NASA
The planet’s largest lake is shrinking fast. Experts fear it may never recover
Damaged houses and debris following Hurricane Helene in Horseshoe Beach, Florida, on September 28, 2024.
Chandan Khanna/AFP/Getty Images
Helene was supercharged by ultra-warm water made up to 500 times more likely by global warming, study finds
A drone view shows a damaged area, following the passing of Hurricane Helene, in Asheville, North Carolina, U.S., September 29, 2024. REUTERS/Marco Bello
Marco Bello/Reuters
People moved to Asheville to escape extreme weather. They forgot its tragic history.
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Kseniya Ovchinnikova/Moment RF/Getty Images
Scientists say the slime in your dishwasher could unlock a solution to global warming
This underwater photo taken on April 5, 2024, shows bleached and dead coral around Lizard Island on the Great Barrier Reef, located 270 kilometres (167 miles) north of the city of Cairns. Australia's famed Great Barrier Reef is teetering on the brink, suffering one of the most severe coral bleaching events on record -- the fifth in eight years -- and leaving scientists unsure about its survival.
David Gray/AFP/Getty Images
Over a year of astonishing ocean heat has given way to the largest coral bleaching on record
Power line poles lean after Tropical Storm Helene caused widespread damage to infrastructure, in Lake Lure, North Carolina, U.S. October 1, 2024. REUTERS/Jonathan Drake
Jonathan Drake/Reuters
Millions lose power every year because of extreme weather. Here’s how we could prevent it
Lake Yliki in Boeotia, central Greece, with low water levels on July 11, 2024.
Aris Oikonomou/AFP/Getty Images
The system that moves water around the Earth is off balance for the first time in human history
NEW CUYAMA, CA - MARCH 28: In an aerial view from a drone, the San Andreas Fault and Elkhorn Scarp are seen south of Carrizo Plain on March 28, 2021 north of New Cuyama, California. The San Andreas Fault, long feared for its potential to cause the biggest natural disaster ever in Southern California, is capable of producing and 8.1-magnitude earthquake that could killed thousands of people and cause hundreds of billions of dollars in damage. The southern segment of the fault, extending for hundreds of miles from the Salton Sea in the south, passes as close as 35 miles from Los Angeles, through the Big Bend section in Kern County and on to Parkfield in Monterey County. It is the Big Bend section of the fault that is believed to have become locked, preventing the fault from slipping to release the ever-increasing pressures caused by the grinding of the Pacific and North American tectonic plates. The locked fault is rapidly increasing the risk of the long overdue "Big One" quake that scientists say is inevitable. (Photo by David McNew/Getty Images)
David McNew/Getty Images
A series of earthquakes has Southern California shook. Is a big one coming?
Construction workers are seen securely attaching solar panels to the roofs’ raised vertical seams to prevent them from flying off during violent storms in April 2024.
Julian Quinones/CNN/File
As parts of Florida went dark from Helene and Milton, the lights stayed on in this net-zero, storm-proof community
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Getty Images
Two African countries say they need to kill elephants for food. Critics say it’s cruel and won’t work
Fire fighters tackle a wildfire in the Aveiro region of Portugal, on Wednesday, Sept. 18, 2024. Firefighters are battling blazes in the region of Aveiro and other areas of northern Portugal for a fourth day after temperatures increased earlier this week. Photographer: Jose Sarmento Matos/Bloomberg via Getty Images
Jose Sarmento Matos/Bloomberg/Getty Images
How the source of your tissues and toilet paper is fueling wildfires thousands of miles away
A satellite Image of Robert Island on the Antarctic Peninsula showing vegetation.
Tom Roland
Scientists looked at images from space to see how fast Antarctica is turning green. Here’s what they found
The Matterhorn mountain looms above the valley that includes the village of Zermatt on January 7, 2022 near Zermatt, Switzerland.
Sean Gallup/Getty Images
Italy and Switzerland have agreed to shift their shared border in the Alps. Here’s why
NOTTINGHAM, ENGLAND - JANUARY 10: An aerial view of the Ratcliffe On Soar Power Station emitting steam on January 10, 2024 in Nottingham, England. Ratcliffe On Soar power station, operated by German owned Uniper, is one of the last coal fired stations in the UK and is put into operation when requested by the National Grid. The UK government has committed to ending coal fired power generation by 2024. (Photo by Christopher Furlong/Getty Images)
Christopher Furlong/Getty Images
UK becomes the first major economy to stop burning coal for electricity, closing its last power plant
Part of the Negro River is visible amid a severe drought in Manaus, state of Amazonas, Brazil, Wednesday, Sept. 25, 2024. (AP Photo/Edmar Barros)
Edmar Barros/AP
Stark before-and-after pictures reveal dramatic shrinking of major Amazon rivers