Wednesday, October 16, 2013

Climate Change Will Hit Oceans Everywhere by 2100, with Massive Impacts on Societies-- Study

Vibrant coral reef. No corner of the world ocean will be untouched by climate change by 2100, according to a new study. (Credit: © vlad61_61 / Fotolia)
Professor Camilo Mora of the University of Hawaii, Manoa, led a group of 28 scientists who used output from the latest generation of climate models to calculate changes in acidity, temperature, oxygen, and productivity for the world's oceans by 2100. They show that across the world's oceans, everything from food chains to fisheries will see influences of climate change.

The third part of the paper demonstrates just how many people will be affected by such changes to the ocean.  Under the business-as-usual scenario, more than 2 billion coastal people will see medium or high changes in ocean biogeochemistry in the coasts near them.  Nearly half those people -- 870 million -- come from low-income countries.

If emissions are curbed, the number of people living in areas with significant ocean changes drops to 1.4 billion, with 470 million from low-income countries seeing impacts.

World Ocean Systems Undermined by Climate Change by 2100

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