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PBS News Hour

Scientists study effect of melting glaciers on volcanoes

Season 2025 Episode 235 | 6m 43s

Scientists are flocking to Iceland to investigate an increasingly crucial question: Will melting glaciers accelerate and intensify earthquakes and volcanic eruptions? William Brangham reports.

Major corporate funding for the PBS News Hour is provided by BDO, BNSF, Consumer Cellular, American Cruise Lines, and Raymond James. Funding for the PBS NewsHour Weekend is provided by Consumer Cellular and Cunard Cruise Line. For a complete list of funders for the PBS NewsHour and PBS NewsHour weekend, click here.
Extras
Watch • 5:50
PBS News Hour
Aid worker on conditions in Gaza City after famine declared
‘Purely in survival mode’: Aid worker shares conditions in Gaza City after famine declared
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PBS News Hour
News Wrap: ICE seeks to deport Abrego Garcia to Uganda
News Wrap: ICE seeks to deport Kilmar Abrego Garcia to Uganda
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PBS News Hour
Does Trump have the power to end mail-in voting?
Does Trump have the power to end mail-in voting? Legal scholar weighs in
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PBS News Hour
August 23, 2025 - PBS News Weekend full episode
August 23, 2025 - PBS News Weekend full episode
Episode: S2025 E235 | 26:45
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PBS News Hour
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Powell hints at long-awaited rate cut but admits Fed in 'challenging situation'
Clip: S2025 E234 | 7:00
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PBS News Hour
Capehart and Ponnuru on the FBI's raid on John Bolton
Capehart and Ponnuru on the FBI's raid on Trump critic John Bolton
Clip: S2025 E234 | 11:51
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PBS News Hour
Life in Gaza, through the voices of its children
A glimpse of life in Gaza, through the voices of its children
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PBS News Hour
Pastor leading Target boycott on the retailer's response
Pastor leading Target boycott on its impact and the retailer's response
Clip: S2025 E234 | 6:11
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PBS News Hour
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News Wrap: Pentagon says troops will start carrying firearms in D.C.
Clip: S2025 E234 | 6:22
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PBS News Hour
FBI raids John Bolton, former Trump adviser turned critic
FBI raids home of John Bolton, a former Trump adviser turned vocal critic
Clip: S2025 E234 | 6:50