sea ice volume



ice sheet
Deep ocean conveyer
Sea level rise

19 March 2015 Arctic sea ice record low maximum

Image NASA Eyes Earth

We all depend on the Arctic.. .
The Arctic regulates our climate, provides a home for wildlife, livelihoods, and gives food to us all. (WWF)

April 2014 NRC
Arctic Matters- Global impacts

March 2015 Research Arctic sea ice is 'thinning dramatically'

The sharp decline in summer Arctic sea ice is unprecedented, and consistent with human-induced climate change (Climate Change in the United States USGC May 2014 )

We are at risk of pushing our climate system toward abrupt, irreversible change
What we know AAAS March 2104

We are in a state of planetary emergency
James Hansen 19 Sept 2012 - repeating his emergency warning of 2008, in response to the 2012 summer sea ice record low.

May 2013 Science
Very high Arctic climate sensitivity

Permafrost thaw under warming - far worse than imagined Paper Feb 2013

Arctic Health Research

IPCC : Arctic .... components of the terrestrial cryosphere and hydrology are increasingly being affected by climate change

These changes will have cascading effects on key regional bio-physical systems and cause global climatic feedbacks

Arctic summer sea ice rapid melt- past tipping point

Arctic albedo cooling rapid decline

Sustained feedback on atmospheric

Methane increase in 25 May 2013.

Arctic NH albedo decline 3 graphs

September 2012 Scientific American Arctic Sea Ice: What, Why and What Next

"The fall-off in ice volume is so fast that it is going to bring us to zero very quickly. 2015 is a very serious prediction and I think I am pretty much persuaded that , that's when it will happen."

Professor Peter Wadhams, Leading Arctic Expert, Cambridge University, January 2012