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PBS News Hour

Giving dead reefs new life with fast-growing corals

The world’s coral reefs are in perilous danger due to overfishing, pollution and climate change. But a team of scuba-diving scientists has developed a groundbreaking method for speeding up coral growth in hopes of stemming the underwater crisis. Hari Sreenivasan reports from the Florida Keys.

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December 2, 2025 - PBS News Hour full episode
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December 2, 2025 - PBS News Hour full episode
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August 31, 2025 - PBS News Weekend full episode
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January 11, 2025 - PBS News Weekend full episode
June 24, 2024 - PBS NewsHour full episode
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Israel's Prime Minister says the intense phase of the war in Gaza will end soon as Israel and the U.S. argue over weapons deliveries.
June 3, 2024 - PBS NewsHour full episode
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After Claudia Sheinbaum becomes the first woman to win Mexico's presidential election, a look at what that means for U.S. relations.
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