PIOMAS
sea ice volume

Crops

Crops

VIDEO
Arctic Emergency:
Scientists Speak on
Global Warming

Greenland
ice sheet
deep ocean conveyer
Sea level rise

NOAA snow sea ice loss red

Dec 2016 Methane Hydrate: ?cause
of Earth's greatest mass extinction

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Arctic has switched from carbon sink to source. NOAA Arctic Report Card Dec 2016...

Arctic snow & summer sea ice albedo cooling is the 'air conditioner' of the Northern hemisphere

METHANE & CO2 FEEDBACK RUNAWAY CLIMATE CHANGE

April 2014 NRC
Arctic Matters- Global impacts

IPCC AR5 2014 WG2 SPM p. 15. ‘Examples that could lead to substantial impact on climate [i.e., amplifying carbon feedback] are the boreal-tundra Arctic system... carbon stored in the terrestrial biosphere (e.g., in peatlands, permafrost, and forests)'
IPCC AR4 2007 These [Arctic] changes will have cascading effects on key regional bio-physical systems and cause global climatic feedbacks

Arctic Health Research