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Melting Ice Sheets Will Worsen Extreme Weather (Scientific American Reports)

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Oldest sea ice in the arctic starts to melt Sea ice north of Greenland - some of the oldest and thickest in the Arctic - has broken up for the second time this year, a phenomenon never seen before.
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Meltwater from Greenland substantially affects the flow of an ocean current known as the Atlantic meridional overturning circulation. Akin to a gigantic conveyor belt, the AMOC helps ferry warm water from the tropics to the Arctic. It distributes heat around the world gives it a major influence on global weather patterns—the AMOC’s warm-water flow is credited with the mild climate in places like Western Europe. As fresh water pours into the ocean from the melting Greenland ice sheet, it may cause this current to slow down.

We assume an extreme amount of ice melt by the end of the century, enough to raise global sea levels by about 3 feet.  Research indicates that Antarctic glaciers destabilize under high levels of future warming—as ice shelves at the ocean’s edge melt and break apart, entire ice cliffs could collapse and unleash a massive outpouring of ice into the ocean. 

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At www.scientificamerican.com
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Early in the 2016 Primary campaign, I started a Facebook group: Bernie Sanders: Advice and Strategies to Help Him Win! As the primary season advanced, we shifted the focus to advancing Bernie's legislation in the Senate, particularly the (more...)

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