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Global Warming

The sun sets during a record heat wave in Tempe, Arizona, on July 18, 2023.

From Japan to Louisiana to Rome, Here Are Ten Heat Records Earth Has Broken Since June

As the planet clocks the warmest June ever, here’s a list of temperature marks that fell this summer

Antler coral can host different types of algae, sometimes resulting in differences in color. 

This Pacific Coral Can Withstand Warming Waters With the Help of Algae

The heat-resistant organism in antler coral may help it adapt as ocean temperatures increase

Phytoplankton form swirls of green in the Barents Sea north of Norway. The Moderate Resolution Imaging Spectroradiometer (MODIS) on NASA’s Aqua satellite acquired this image on July 27, 2004.

Climate Change Is Shifting the Color of Earth’s Oceans

More than half of our oceans have taken on a greener hue in the past 20 years, a trend that cannot be fully explained by natural variation, per a new study

Aerial view of Crawford Lake

This Canadian Lake Could Mark the Start of an Epoch Altered By Humans

With evidence of fossil fuels, nuclear weapons and a warming climate buried in its sediment, Crawford Lake represents the Anthropocene, scientists say

July 4, 2023 was the Earth's hottest day ever, breaking the record set one day earlier. The heat continued into Wendsday, July 5.

Earth Faces Hottest Day Ever Recorded—Three Days in a Row

Researchers attribute the sweltering heat to a combination of human-caused climate change and El Niño, which has a global warming effect

Like humans, animals are trying to stay cool amid heat waves.

Why Are Squirrels ‘Splooting’ on Hot Days?

This adorable behavior helps the rodents cool down, especially as extreme heat sweeps the planet

A resident and his dog sunbath at Zilker Park on June 27, 2023 in Austin, Texas.

Heat Wave Gripping the Southern U.S. Will Spread This Week

Some areas may face a heat index as high as 120 degrees

Apparatus for administering nitrous oxide and other anesthetic gases

These Objects Tell the Story of Human-Driven Climate Change

Smithsonian curators dig into the collections to find artifacts that illustrate how we arrived at this moment

A boy looks at a water pump on a street in New York City. Between 1993 and 2010, researchers estimate that humans have pumped over two trillion tons of water out of the ground.

Humans Have Shifted Earth’s Axis by Pumping Lots of Groundwater

Removing water from the ground has led to sea-level rise and caused Earth’s axis to shift by about 2.6 feet between 1993 and 2010, per a new study

A woman drinking water on a hot day in Kolkata, India, in April 2023.

Extreme Heat Wave Hits India

In recent days, nearly 200 people have died across two of the country’s most populous states

A hazy smoke over Washington, D.C., on Thursday morning, where air quality reached very unhealthy levels, with increased risk of health effects for all groups.

Canadian Wildfires Send Harmful Smoke Across Eastern United States

At least 20 states were air quality alerts this week, and in some places, air quality reached unhealthy levels for all groups

Thinning Arctic sea ice near Pituffik, Greenland, as captured in July 2022 

Arctic Could Be Sea Ice-Free in the Summer by the 2030s

A new study estimates climate change will lead to unprecedented melting in the Arctic a decade earlier than previously projected

A shark swims near two paddle boarders off California's coast.

Great White Sharks Come Much Closer to Swimmers Than Thought in Southern California

Juvenile white sharks and humans overlap 97 percent of the time in some warm Pacific waters, a new study finds

Sassafras leaves begin to grow. Both 19th-century Ohio farmer Thomas Mikesell and current Ohio State University ecologist Kellen Calinger-Yoak recorded important details about the plant.

What a 19th-Century Farmer’s Forgotten Notes Reveal About Growing Seasons

The documents provide evidence of climate change’s effect on hardwood trees in Ohio

The Big Apple's 1,084,954 buildings weigh an estimated 1.68 trillion pounds.

New York City Is Sinking Under the Weight of Its Skyscrapers, Study Finds

As the city, and others like it, slowly subsides, it becomes more vulnerable to flooding driven by climate change

A massive ice island breaks free of the Petermann Glacier in northwestern Greenland in July 2012.

Satellites Show Warming Tides Melting a Massive Greenland Glacier

The finding could mean that past predictions of sea-level rise from glaciers should double

A burnt landscape caused by wildfires near Entrance, Wild Hay area, Alberta, Canada on May 10, 2023.

Wildfires in Canada Burn Close to One Million Acres

The current fire season has been unusually devastating for this early in the year—and more hot, dry weather is on the way

The submersible Alvin collects samples from rocky outcrop in the newly discovered coral reef.

See the Pristine Coral Reefs Found off the Galápagos Islands

These ancient deep-sea reefs have barely been affected by humans and can provide a way to measure the impact of climate change on corals

Electric cars from Tesla, photographed in 2018

EPA Proposes Tightest-Ever Emissions Limits for Cars

If approved, the rules could lead to electric vehicles comprising 67 percent of new car sales by 2032

An offshore drilling and production platform in the Gulf of Mexico, which is the largest offshore fossil fuel production basin in the United States.

Methane Emissions Are Higher Than Thought From Gulf of Mexico Drilling

The climate impact of oil and gas production in the Gulf is double what government agencies estimate, according to a new study

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