PETM

Ocean acidification increasing at unprecedented rate not seen in last 300 million years

In a new study marine scientists warn that the rate of ocean acidification presently occurring is unprecedented in the last 300 million years. This is due to dissolving carbon dioxide from the atmosphere, much of which human activity has contributed over the last 200 years through the use of fossil fuels. The extent of the acidification and rate of acidification enhances the prospect for a mass marine extinction event this century.

Related: Dec 2011 - Ocean acidification warning to Durban climate negotiators to act on reducing CO2 emissions | June 2011 - Oceans at high risk of unprecedented Marine extinction scientists warn | April 2010 - Paleo-perspectives on ocean acidification - marine ecosystems under threat | Feb 2010 - Marine Extinction looms with Ocean Acidification increasing

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