The United Nations Environment Programme reports that a drop in ocean pH to 7.95 by 2025 would result in a 30% reduction in coral calcification rates. Survival of Antarctic krill larvae has already been reduced by 25% due to acidification, threatening the survival of penguins, cetaceans and other species. If the world warms by 1.5 degrees Celsius, 90% of coral reefs will disappear by 2050, and the foundation of the cetacean food chain will be completely dismantled.
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