Ocean science for sustainable development: Facts and figures

Oceans are a critically important component of the Earth system, supporting ecosystem and human health.  They regulate the weather and climate; are essential for producing freshwater; and soak up carbon. They also provide food and other resources, trade and migration routes
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http://www.scidev.net/global/fisheries/feature/ocean-science-for-sustainable-development-facts-and-figures-1.html