Monday, April 20, 2015

#Ocean Acidification Spells Extinction Backwards


Acidic Oceans

Implicated in Earth's Worst Mass 

EXTINCTION

WASHINGTON 

Commercial fishermen and other mariners form the words ''Acid Ocean'' during an event held to spread the message of saving the oceans from acidification caused by fossil fuel emissions, in Homer, Alaska, in this file photo taken on September 6, 2009. REUTERS/Lou Dematteis

(Reuters) - It is one of science's enduring mysteries: what caused the worst mass extinction in Earth's history. And, no, it is not the one that wiped out the dinosaurs.
Scientists said on Thursday that huge amounts of carbon dioxide spewed from colossal volcanic eruptions in Siberia may have turned the world's oceans dangerously acidic 252 million years ago, helping to drive a global environmental calamity that killed most land and sea creatures.




The researchers studied rocks in the United Arab Emirates that were on the seafloor at the time and contained a detailed record of the changing ocean conditions at the end of the Permian Period. Read More.

Earth's Mass Extinctions 
"NOT "
Extraordinary Events! 
Image result for the sixth extinction timelines

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