Scientist Warns Breaching a 'Carbon Threshold' Could Lead to Mass Extinction Event

EcoWatch
By Common DreamsJul 10, 2019, 9:38 am149 pts
By Julia Conley The continuous accumulation of carbon dioxide in the planet's oceans — which shows no sign of stopping due to humanity's relentless consumption of fossil fuels — is likely to trigger a chemical reaction in Earth's carbon cycle similar to those which happened just before mass extinction…

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