Global Warming

Researchers found that in 2023, a decrease in low-altitude clouds, specifically over the Atlantic Ocean, drove an increase in the planet's temperature.

Scientists Find Another Reason Why 2023 Was So Hot: a Decline in Low-Lying Clouds

According to new research, Earth might have reflected less solar radiation last year than in any other year since 1940, a trend that adds to the planet's warming

The sun sets over Death Valley, California, on July 7, 2024, a day when its temperature reached 129 degrees Fahrenheit.

Climate Scientists Project 2024 Will Be the Hottest Year on Record—and the First to Pass 1.5 Degrees Celsius of Warming

After November 2024 was the second warmest November in the books, experts say the year is "effectively certain" to break the heat record set by 2023

New England Aquarium staff treat a cold-stunned sea turtle.

Hundreds of Sea Turtles With Hypothermia Are Washing Up in Cape Cod, Cold-Stunned as Temperatures Drop

New England Aquarium staff and volunteers are treating the reptiles, which have gotten trapped after venturing north earlier in the year. Experts say climate change is leading more turtles to get stranded in the bay

Grazing cows produce more methane than feedlot cows because of the fiber content of the grass they consume.

Eating Seaweed Could Make Cows Less Gassy, Slashing Methane Emissions From Grazing by Nearly 40 Percent

A new study finds that feeding seaweed pellets to grazing beef cattle dramatically reduces their greenhouse gas emissions

A NASA scientist's picture out the window of a plane over Greenland, combined with the new radar map of Camp Century, at the bottom.

NASA Radar Detects Abandoned Site of Secret Cold War Project in Greenland—a 'City Under the Ice'

Camp Century was built in 1959 and advertised as a U.S. research site—but it also hosted a clandestine missile facility

The yellow powder is a type of compound known as a “covalent organic framework,” or COF.

This New, Yellow Powder Quickly Pulls Carbon Dioxide From the Air, and Researchers Say 'There's Nothing Like It'

Scientists say just 200 grams of the material could capture 44 pounds of the greenhouse gas per year—the same as a large tree

A view of a snow-covered Mount Fuji from Fujiyoshida in Japan.

Japan's Mount Fuji Has Now Remained Snowless for the Longest Time in Its 130-Year Record

After a summer that tied for the country's hottest, meteorologists say an unusually warm autumn is delaying snowfall

Polar bears are spending more time on land as sea ice shrinks.

Polar Bears Are Exposed to More Parasites, Viruses and Bacteria as the Arctic Heats Up

Pathogens are more common in polar bears living in the Chukchi Sea now than they were three decades ago, a new study suggests—but it's not yet clear what that means for the mammals' health

Could a private citizen get hold of a genome and use it to bring an extinct animal back to life? 

Could Anyone Bring an Extinct Animal Back to Life? And More Questions From Our Readers

You’ve got questions. We’ve got experts

A biologist holds a Bethany Beach firefly, found on a survey in 2019. The dwindling species is now being considered for protection under the Endangered Species Act.

This Green-Flashing Firefly Could Become the First Ever Listed as Endangered in the U.S.

The Fish and Wildlife Service will consider granting federal protections to the Bethany Beach firefly, which is rapidly losing its coastal habitat to development and climate change

A sea turtle swims in a coral reef in Hawaii. Ocean acidification, found to be on the brink of crossing a boundary into higher-risk territory, can affect coral skeleton formation.

Earth Is on the Brink of Breaching a Seventh of Nine 'Planetary Boundaries' That Support Life

A new “health check” for our planet sounds an alarm bell on rising ocean acidification, which is driven by carbon dioxide levels in the atmosphere

A buff-tailed bumblebee (Bombus terrestris), one of the species found in a recent study to have a diminished sense of smell after exposure to heat.

Heat Waves Can Make Bumblebees Lose Their Sense of Smell, Study Finds. Here's Why That's a Problem

Female worker bees, which forage for the whole colony, struggle more to detect scents in the heat than males do, per the recent research

The remains of a house that was once submerged in the Mornos artificial lake in Greece, along with several other structures, have re-appeared after drought caused the water level to drop.

Drought Reveals a Sunken Village in Greece as a Reservoir Dries Up

After the country's hottest June and July on record, a shrinking artificial lake has uncovered ruins of a school and other buildings that were submerged in the 1970s

Phoenix, Arizona, has experienced a record 100 days in a row over 100 degrees Fahrenheit as of Tuesday. Forecasters say no relief is in sight.

Phoenix Shatters Heat Record With 100 Consecutive Days Above 100 Degrees

Forecasts show no relief from the extreme heat over the next few weeks, which promises to extend the streak far beyond the previous high of 76 days set in 1993

The study highlighted that a mix of policies were more successful than policies implemented alone. In the U.S., combining subsidies and performance standards in the transportation sector successfully reduced carbon emissions.

What Are the Best Policies for Reducing Carbon Emissions? A New Study Has Some Answers

An analysis of policies implemented between 1998 and 2022 found that just 63 were successful

A cyclist in Uttenweiler, Germany, rides toward the rising sun on July 21, 2024, which briefly held the title of the hottest day on record, until it was broken again one day later.

Earth Reached Its Hottest Day on Record Twice in a Row This Week

The global average surface temperature soared to 17.15 degrees Celsius on Monday, or 62.87 degrees Fahrenheit, breaking a short-lived record set on Sunday

Firefighters work to contain the Lake Fire burning in Los Padres National Forest in California. More than 3,900 fires have spread across California this year.

California Faces a Brutal Wildfire Season, With More Land Burned to Date Than in Recent Years

The state's fires have burned more than 11 times as much land so far in 2024 than they had at this point last year, according to the most recent numbers from Cal Fire

Flaring, the burning of natural gas at an oil well, takes place on the Fort Berthold Indian Reservation. A large portion of Marathon Oil's emissions comes from flaring.

EPA Reaches $241 Million Settlement With Marathon Oil

The company was illegally polluting the air at nearly 90 facilities in North Dakota, a complaint alleges

On July 5, Peruvian authorities recovered the mummified remains of American climber Bill Stampfl from the slopes of Huascarán.

Melting Ice Reveals Body of American Mountaineer Missing for 22 Years in the Peruvian Andes

Bill Stampfl, Matthew Richardson and Steve Erskine went missing in an avalanche on Huascarán on June 24, 2002. Climbers found Stampfl's body just weeks ago

A photograph of the Endurance stuck in ice before it sank to the bottom of the Weddell Sea in 1915

Wreck of Shackleton's 'Endurance' Gets New Protections

The vessel will be preserved beneath Antarctic waters inside a sprawling restricted zone

Page 1 of 17