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PBS News Hour

Coral bleaching is affecting nearly all reefs, report says

Season 2025 Episode 116 | 3m 21s

Coral reefs are a crucial part of the marine ecosystem, providing habitats for all sorts of marine life and protecting coastlines from storm damage. But scientists say rising ocean temperatures are posing a grave threat to the future of the world鈥檚 reefs. Ali Rogin reports.

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Extras
Watch • 5:00
PBS News Hour
Russia strikes Ukraine after Trump questions Putin鈥檚 goals
Russia launches drone attack on Ukraine after Trump questions Putin鈥檚 goals
Clip: S2025 E117 | 5:00
Watch • 2:23
PBS News Hour
News Wrap: Police rule out terrorism in Vancouver car attack
News Wrap: Police rule out terrorism in deadly Vancouver car attack
Clip: S2025 E117 | 2:23
Watch • 4:28
PBS News Hour
What鈥檚 on voters鈥� minds as Canada elects new prime minister
What鈥檚 on voters鈥� minds as Canada elects a new prime minister
Clip: S2025 E117 | 4:28
Watch • 5:32
PBS News Hour
Key moments from the first 100 days of Trump鈥檚 second term
The most consequential moments from the first 100 days of Trump鈥檚 second term
Clip: S2025 E117 | 5:32
Watch • 5:54
PBS News Hour
How a warming Arctic may be eroding Indigenous history
How a warming Arctic may be eroding Indigenous history in Alaska
Clip: S2025 E117 | 5:54
Watch • 26:45
PBS News Hour
April 27, 2025 - PBS News Weekend full episode
April 27, 2025 - PBS News Weekend full episode
Episode: S2025 E117 | 26:45
Watch • 5:54
PBS News Hour
Faithful mourners bid solemn farewell to Pope Francis
World leaders and faithful mourners bid solemn farewell to Pope Francis
Clip: S2025 E116 | 5:54
Watch • 4:44
PBS News Hour
What to expect as cardinals prepare to elect a new pope
What to expect as the College of Cardinals prepares to elect a new pope
Clip: S2025 E116 | 4:44
Watch • 3:04
PBS News Hour
News Wrap: Iranian port rocked by massive, deadly explosion
News Wrap: Iranian port rocked by massive, deadly explosion
Clip: S2025 E116 | 3:04
Watch • 6:18
PBS News Hour
How NIH staffing cuts may delay a promising cancer treatment
How NIH staffing cuts may delay a promising cancer treatment鈥檚 implementation
Clip: S2025 E116 | 6:18