‘The Other CO2 Problem’: How Acidic Oceans Will Cost Our Economy Billions

http://thinkprogress.org/climate/2014/10/09/3577544/ocean-acidification-cost/
"Oceans have absorbed so much carbon dioxide emitted from power plants, deforestation, manufacturing, and driving, that their acid levels have increased by a staggering 26 percent over the last 200 years, the report said. The disruption of the ocean’s natural pH levels are directly impacting the health of marine life and ecosystems and scientists emphasize that if these trends continue unchecked, it could be both horribly detrimental for the world economy and largely irreversible for thousands of years."