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heat

A Record-Warm Winter and Summer Heatwave Are Stoking Montana’s Wildfire Risk

As the changing climate warms the state, thins its snowpack and changes the timing of precipitation, it’s also scrambling the wildfire season.

By Mosabber Hossain

Precipitation falls near the town of West Yellowstone, Mont., on May 16. Credit: Mario Tama/Getty Images
People take shelter in a cooling center in Portland, Ore., on June 27, 2021. Scientists have said the deadly 2021 heatwave in the Pacific Northwest would have been nearly impossible before human-caused global warming. Credit: Nathan Howard/Getty Images

As Climate Extremes Collide, Attribution Science Evolves

By Bob Berwyn

A farmworker tends to a farm in Homestead, Fla., on April 25, 2025. Credit: Chandan Khanna/AFP via Getty Images

The Dire Lengths Florida Farmworkers Go to Keep Working in ‘Scorching’ Heat

By Amy Green

A Revolutionary War reenactor drinks water in the shade near Independence Hall during high temperatures on July 3 in Philadelphia. Credit: Al Drago/Getty Images

As It Celebrates the Nation’s Past, Philadelphia Braces for a Hotter Future

By Nina Sablan, Daniel Perrin

A person wipes sweat off their head during high temperatures and an extreme heat warning in New York City on Thursday. Credit: Michael M. Santiago/Getty Images

Heat Wave Politics: GOP Leaders Deride Calls to Conserve

By Marianne Lavelle

People walk through Place du Trocadéro during the second major heat wave of the year in Paris on June 18. Credit: Jerome Gilles/NurPhoto via Getty Images

It’s Too Hot In Europe–Again

By Lauren Dalban

A person wears a hat for shade during a heat wave on March 20 in Redondo Beach, Calif. The March heat wave that blistered the Western U.S. foreshadows more extreme heat this summer, former NOAA climate scientists said in a briefing this week. Credit: Patrick T. Fallon/AFP via Getty Images

Scientists Warn of Summer Heat Spikes as Global Warming Edges Toward 2C

By Bob Berwyn

Heat Is Killing Wildlife Across the Animal Kingdom. A New Forecasting Tool May Help.

By Kiley Price

A helicopter crew battles a wildfire near Kalispell, Mont., in August 2022. Credit: Don and Melinda Crawford/Universal Images Group via Getty Images

Montana Officials Warn of Elevated Wildfire Risk From Increasing Drought, Heat and Wind

By Mosabber Hossain

Heat Is a Growing Threat to the Hajj—Even in Spring

By Kiley Price

Andrea Belotti of S.L. Benfica pours water on his face to cool off during a FIFA Club World Cup match at Bank of America Stadium on June 28, 2025, in Charlotte, N.C. Credit: Justin Setterfield/FIFA via Getty Images

The 2026 World Cup Will Feature a Villainous Player: Extreme Heat

By Gabriel Matias Castilho

An Unusually Early Heat Wave Breaks Temperature Records Across Western Europe

By Kiley Price

People carry their belongings as they evacuate due to flooding in Yaguachi, Ecuador, on Feb. 25, 2025. Credit: Marcos Pin/AFP via Getty Images

Latin America Faces ‘Hydrological Whiplash’ as Climate Risks Mount

By Bob Berwyn

A stone countertop fabricator creates a cloud of dust while wearing a mask to help protect against airborne particles, which can contribute to silicosis, at a shop in Sun Valley, Calif. Credit: Brian van der Brug/Los Angeles Times via Getty Images

World Health Organization Must Prioritize Workers, Experts Say 

By Liza Gross

An Unusual Heat Wave Strains the World’s Most Populous Country

By Kiley Price

People cross a section of collapsed road during flash flooding linked to El Niño conditions on Nov. 22, 2023, near Garissa, Kenya. Credit: Luis Tato/AFP via Getty Images

As El Niño Approaches, Scientists Predict Fierce Heatwaves, Wildfires and Floods

By Bob Berwyn

A man on the street wipes his face with orange fabric and another pedestrian holds an umbrella to block out the sun.

‘Heat Batteries’ Leave Some City Blocks Scorched

By Lauren Dalban

Special cameras helped scientists pinpoint when a combination of heat and drought conditions cause changes in individual oak leaves. Credit: Alyssa Kullberg

How Forests Start to Fail, One Leaf at a Time

By Bob Berwyn

A worker picks leaves from the conveyor belt of a harvester during grape harvest on a vineyard in Lodi, Calif., on Oct. 13, 2025. Credit: Patrick T. Fallon/AFP via Getty Images

A New Wine Label Promotes Workers’ Rights

By Liza Gross

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