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Ocean acidification due to carbon emissions is at highest for 300 million years

Overfishing and pollution are part of the problem, scientists say, warning that mass extinction of species may be inevitable The oceans are more acidic now than they have been for at least 300m years, due to carbon dioxide emissions from burning fossil fuels, and a mass extinction of key species…

Scientists reveal excess atmospheric carbon dioxide causes rapid ocean acidification, threatens species

Experts claim current rate of change is likely to be more than 10 times faster than it has ever been in Earth’s history Rapidly rising carbon dioxide levels in the atmosphere are causing a potential catastrophe in our oceans as they become more acidic, scientists have warned. Hans Poertner, professor…

Ocean acidification may be worst in 300 million years: study

WASHINGTON — High levels of pollution may be turning the planet’s oceans acidic at a faster rate than at any time in the past 300 million years, with unknown consequences for future sea life, researchers said Thursday. The acidification may be worse than during four major mass extinctions in history…

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