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Almost all coral reef ecosystems face risk of collapse in 50 years, study warns

Almost all coral reef ecosystems face risk of collapse in 50 years, study warns
Photo: KSAT 12 (ABC affiliate) · view original

The world’s coral reef ecosystems almost all face a high risk of collapse in the next 50 years mostly due to warming oceans and heat waves, according to a global assessment released Thursday. The International Union for Conservation of Nature’s assessment, announced on the sidelines of a U.N. bio...

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