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submitted 7 months ago by MicroWave@lemmy.world to c/world@lemmy.world

The percentage of reef areas experiencing bleaching-level heat stress is increasing by about 1% a week, scientists say

Global heating has pushed the world’s coral reefs to a fourth planet-wide mass bleaching event that is on track to be the most extensive on record, US government scientists have confirmed.

Some 54% of ocean waters containing coral reefs have experienced heat stress high enough to cause bleaching, the National Oceanic and Atmospheric Administration’s Coral Reef Watch said.

A global bleaching event is declared when at least 12% of corals in each of the main ocean basins – Pacific, Atlantic and Indian – experience bleaching-level heat stress within a 12-month period. The declaration also requires confirmed reports of bleaching.

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[-] MisterD@lemmy.ca -2 points 7 months ago

But electric car batteries only last 5 years

this post was submitted on 15 Apr 2024
191 points (98.0% liked)

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