"If the average temperature of a large body of water increases, that's an enormous amount of heat content," says Andrew Rosenberg, a convening lead author of the National Climate Assessment's Oceans chapter. Ocean waters are becoming warmer and more acidic, broadly affecting ocean circulation, chemistry, ecosystems, and marine life. Rising sea surface temperatures have been linked with increasing levels and ranges of diseases in people and marine life. In this video, Rosenberg discusses how human-caused climate change is transforming the oceans that make up 70 percent of the Earth's surface.
To explore the 2014 National Climate Assessment, go to NCA2014.globalchange.gov
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