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Climate Change Raises Risk of Disasters Like Nepal Floods

Glaciers and permafrost in the Himalayas are melting faster as temperatures rise, though scientists are still studying the exact causes of this week’s landslide.

© Navesh Chitrakar/Reuters

A mud-deluged area in Trishuli, Nepal, on Thursday. Chunks of glacial ice, mud and rock surged down a river Wednesday, overwhelming the area.
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Speed of Nepal’s Flash Floods Likely Overwhelmed Warning System, Experts Say

Scientists and disaster response researchers said Nepal’s early flood warning system relied on a conventional network of river gauges in this remote region.

© Ezra Acayan/Getty Images

Damage following flash floods in Trishuli, Nepal.
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Rock Landslide and Glacial Collapse Likely Caused Floods in Nepal and Tibet, Scientists Say

New satellite imagery added to scientists’ understanding of the events that precipitated the deadly flooding in Nepal and Tibet.

© European Union/Copernicus Sentinel-2; USGS/Landsat 9

Satellite images show a glacier before (top) and after it collapsed in Nepal. Its collapse, according to scientists, may have set off deadly flash flooding.
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Catastrophic Flood Hits Nepal, Engulfing Crowds and Causing Quake

The authorities reported hundreds of people missing and at least 160 people killed in the border region of Nepal and Tibet, where an avalanche of mud, water, ice and rocks smashed down.

© Reuters

After a flash flood at Trishuli in Nuwakot district, Nepal, on Wednesday.
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What to Know About Deadly Flash Floods in Nepal and Tibet

An avalanche may have caused catastrophic flooding even without heavy rainfall. In the path of the destruction, at least 1,000 people were missing.

© Navesh Chitrakar/Reuters

Destruction in the Nuwakot district of Nepal on Wednesday. The country’s foreign minister said the floods were “one of the largest natural disasters we have experienced in recent memory.”
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Chocó, Colombia, Faces Deeper Hardship After an Earthquake

In Chocó, a remote region, “pain, hunger and homelessness await” survivors of last week’s earthquake, the governor said. Shakira visited to help draw awareness.

© Federico Rios for The New York Times

Soldiers and volunteers offloading aid supplies from a helicopter San José del Palmar, Colombia, a remote town close to the earthquake’s epicenter.
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