Arctic Climate Emergency
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
The Arctic snow and summer sea ice cooling albedo is the 'air conditioner' of the entire Northern Hemisphere.
Its loss will affect the world's best northern hemsiphere food producing regions due to increased climate variability, extreme heat and drought, and damaging floods
METHANE & CO2 FEEDBACK RUNAWAY CLIMATE CHANGE
Existential threat to the human race and most life
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Arctic snow & summer sea ice albedo cooling is the 'air conditioner' of the Northern hemisphere
Arctic Health Research
We all depend on the Arctic.. .
The Arctic regulates our climate, provides a home for wildlife, livelihoods, and food. (WWF)
The Arctic has switched from a net carbon sink to source (NOAA 2016)
PIOMAS
sea ice volume
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The 2C policy target is
Arctic multi-feedback planetary catastrophe
Crops
Permafrost
Crops
Permafrost
Image NASA Eyes Earth
Greenland
ice sheet
deep ocean conveyer
Sea level rise
Arctic Matters- Global impacts
Dec 2016 Methane Hydrate: ?cause
of Earth's greatest mass extinction
Arctic has switched from carbon sink to source. NOAA Arctic Report Card Dec 2016...
NSIDC National Snow
and Ice Data Center
Two bg reasons for the Arctic climate emergency
WORLD FOOD SECURITY
Threat to the survival of most of the human population with the collapse of civilization