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84% of the world's coral reefs hit by worst bleaching event on record

Published on 04/24/2025
By: Tellwut
320
Nature
10
Source: https://www.nbcnews.com/science/climate-change/84-worlds-coral-reefs-hit-worst-bleaching-event-record-rcna202575
1. Harmful bleaching of the world's coral has grown to include 84% of the ocean's reefs in the most intense event of its kind in recorded history, the International Coral Reef Initiative announced Wednesday. Have you ever visited a coral reel in person?

Harmful bleaching of the world's coral has grown to include 84% of the ocean's reefs in the most intense event of its kind in recorded history, the International Coral Reef Initiative announced Wednesday. Have you ever visited a coral reel in person?
2. The current global coral bleaching event—driven by warming oceans—is the fourth since 1998 and now the most widespread in history, surpassing the 2014–2017 event. Experts warn it may mark a permanent shift, threatening marine life and the ocean's ability to support ecosystems and livelihoods. Do you believe enough is being done globally to address climate change and protect coral reefs?

3. Corals rely on algae for color and food, but prolonged heat causes the algae to release toxins, leading corals to expel them and turn white—a process that weakens and can kill them. While restoration efforts are underway, scientists stress that the only long-term solution is reducing greenhouse gas emissions that drive ocean warming. Do you think we will be able to restore the coral reefs?

4. Would you support stricter environmental regulations if it meant preserving coral reefs, even if it affected the economy?

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