Climate Change

Fish Can Adjust Gender Balance in Face of Rising Temperatures

Warmer waters mean fewer female reef fish. But, over generations, populations can restore the balance.

Ocean Acidification Could Have Driven Earth’s Biggest Mass Extinction

Study shows the world's oceans were dangerously acidic during the Permian Extinction Event

70 Percent of Western Canada’s Glaciers Will Disappear by 2100

And that’s the conservative side of scientists’ ice melt projections

Rehabilitated sea lion pups head back to the ocean after being released from The Marine Mammal Center in March.

California Sea Lions Are Starving, But Do They Need Our Help?

Instead of just rehabilitating the fuzzy pups, some ecologists say we should be focusing on the underlying troubles of climate change and fish declines

Population Growth Can Warm a City As Much As Climate Change

Urbanization in California's Central Valley could raise local temperatures an extra one to two degrees Celcius

A type of coral trout called the leopard trout (Plectropomus leopardus) swims on the Great Barrier Reef.

Fishing Bans Create a Glimmer of Hope on the Great Barrier Reef

No-take reserves have helped commercially important species bounce back, but the reef still faces some serious threats

Got Allergies? Air Pollution Could Be to Blame

New research suggests that ozone and nitrogen dioxide can alter allergens, creating more potent immune responses

Center pivot irrigation in Blythe, California

We’re Taking All the Water Out of the Ground And Causing Sea Levels to Rise

Pumping water out of aquifers at the rate we do doesn’t just threaten the water supply, it also exacerbates the effects of climate change

The Terrible Beauty of Glaciers Melting and Oceans Rising

Daniel Beltra's aerial photographs reveal the human impact on nature

Electric vehicles, such as the ones sold by Tesla, could help to reduce city temperatures.

Electric Cars Can Make Cities Cooler

It's not just the flash and style, either—electric engines emit less heat than gas ones and could combat the urban heat island effect

In the future, what role will cars play in our lives?

Are Cars Driving Into the Sunset?

Our love affair with automobiles is changing in the face of climate change and denser urban living

A mummified corpse of a Chinchoro girl between 4,000 and 8,000 years old gets a cleaning.

Saving the World’s Oldest Mummies From Rot in a Warmer, Wetter World

Why are the ancient bodies of the Chinchorro people stored in a Chilean museum rapidly degrading into black ooze?

Smog over Shanghai

China’s Smog Might Be to Blame for the East Coast’s Rough Winter

A NASA visualization shows how particles from East Asia can swirl into Pacific storms—a source of precipitation for the U.S.

Icebergs break off, or calve, from the Dawes Glacier at the end of Endicott Arm in southeast Alaska.

The Loud Noise of Melting Glaciers May Actually Be Good for Animals

Melting glacier ice has been found to the loudest noise in the ocean—what does that mean for marine animals?

A large band of warmer than average sea surface temperatures, an indicator of El Niño, stretches across the Pacific

Gear Up for a Scorcher of a Year: El Niño Has Officially Arrived

It’s later than usual and weak, but definitely here

A dog sitting in a field of wildflowers in California's Anza Borrego Desert State Park.

Best Places to See Wildflowers Around the United States

Snow and cold got you down? Remember, spring is around the corner, and that means wildflowers

A closeup of the Ledi jaw taken just steps from where it was found in the Afar region of Ethiopia.

Oldest Human Fossil Unearthed in Ethiopia

At about 2.8 million years old, the Ledi jaw may belong to "the stem for the Homo genus," according to its discoverers

Dog sled racing is a classic bit of fun in Alaska. But as that state warms, organizers are having to move or cancel races.

While the U.S. East Shivers, Unusual Heat Stirs Trouble Across the Globe

Cancelled dog-sled races and restless grizzly bears serve as reminders that global warming is still at work

A general view shows damaged buildings in the Douma neighborhood of Damascus in Syria on February 24, 2015.

Are Climate Change And the Conflict in Syria Connected?

A new study shows a link between the nation’s recent unrest and a major drought spurred on by global warming

According to a statement released last year, the Smithsonian believes that humans are a cause of climate change.

Climate Change Researcher Received Funds From Fossil Fuel Industry

A Smithsonian-connected scientist is accused of failing to properly disclose his backers

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