Filed under: Climate Change , Plants and Wildlife When the ocean gets certain pockets of low oxygen — too low to sustain life — they’re called dead zones, and they’re spreading like the plague . Also known as hypoxia , these dead zones are a threat to smaller marine life now, but will eventually spread to much larger sea creatures down the line if something is done soon. “We have to realize that hypoxia is not a local problem,” said Robert J. Diaz of the Virginia Institute of Marine Science . “It is a global problem and it has severe consequences for ecosystems.” Researchers say that the recent increase in dead zones are caused by pollution-fed algae, which starve other marine life of needed oxygen. The blame for this pollution lies on fertilizer and other farm run-off, sewage and fossil-fuel burning.   Read  |  Permalink  |  Email this  |  Linking Blogs  |  Comments

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Ocean dead zones growing globally

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