05 Mar '12, 8pm

Pondering the Power of an Acidified Ocean: My first piece with @davidsuzukifdn #ocean #acidification #conservation

Pondering the Power of an Acidified Ocean: My first piece with @davidsuzukifdn #ocean #acidification #conservation

What exactly is ocean acidification? It's no secret that mean levels of atmospheric CO2 are significantly higher than they have been on our planet for the past 600,000 years. Burning fossil fuels is the largest contributor to the rise, and all of this "extra" carbon dioxide in the atmosphere is having many effects all over the planet. Approximately 25 per cent of atmospheric CO2 is absorbed by the surfaces of the world's oceans, and the resulting change in pH is what scientists have termed ocean acidification. To be clear: the term acidification is not meant to describe a future ocean that is composed of acid as opposed to water. The shift in pH from historic levels of 8.25 to predicted levels of 8.14 and lower is movement toward the acidic end of the pH spectrum; however, it is far from the level of something like lemon juice (with a pH of 2.4). Despite the fact that sea ...

Full article: http://www.davidsuzuki.org/blogs/healthy-oceans-blog/2012...

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