Cases of Mosquito-Borne Chikungunya Virus Are Surging Globally: What to Know

Chikungunya, which can disable victims for years, is spreading rapidly, including in China and other places that have not seen it before.

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Spain Calls in More Soldiers to Fight Wildfires

Across the Iberian Peninsula, thousands are trying to quell deadly flames amid dangerously hot weather.

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Will Oil Demand Peak Soon? Trump Administration Doesn’t Want to Hear It.

It is lashing out at the world’s leading energy organization for saying oil and gas use could start declining as the world pivots to cleaner alternatives.

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As Heat Waves Intensify, Paris Plans for Record Temperatures

City planners say the day when temperatures as high as 122 degrees Fahrenheit, or 50 Celsius, could stall the French capital is not far off. They are already starting to prepare.

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Environmental Groups Face ‘Generational’ Setbacks Under Trump

As President Trump dismantles the country’s efforts to fight climate change, environmental groups are back on their heels.

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Environmental Groups Sue Over D.O.E. Report Downplaying Climate Change

The lawsuit seeks to block the Trump administration from repealing the legal foundation for regulating climate pollution.

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New I.R.S. Rules for Large Wind and Solar Projects Released

The move comes as the Trump administration has issued a barrage of new restrictions on renewable energy across the country.

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United Nations Plastic Treaty Talks End Without Deal

Countries failed to bridge wide gaps on whether the world should limit plastic manufacturing and restrict the use of harmful plastic chemicals.

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Flash Floods in Pakistan Kill at Least 60 People in a Single Day

The country has faced heavier rain during monsoon seasons, which scientists have attributed to climate change.

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Why the World Is Deadlocked Over a Treaty to Stop Plastics Pollution

After three years of talks, and despite growing warnings about the dangers of plastics pollution, nations are at an impasse again over what to do about it.

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