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Climate Change Working Group

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The mission of this working group is to explore the evidence regarding points of leverage assisting human groups in coping with or reducing the risk of global climate change.

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This working group is focused on issues of Global Climate Change.
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admin Albert Gomez Amanda Cole Anthony ChrisAllen david hastings
fosternt Kathy Gilbeaux Maeryn Obley mashalshah mdmcdonald MDMcDonald_me_com
Nguyen Ninh StarDart

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What We Know: The Reality, Risks and Response to Climate Change

whatweknow.aaas.org

The overwhelming evidence of human-caused climate change documents both current impacts with significant costs and extraordinary future risks to society and natural systems. The scientific community has convened conferences, published reports, spoken out at forums and proclaimed, through statements by virtually every national scientific academy and relevant major scientific organization — including the American Association for the Advancement of Science (AAAS) — that climate change puts the well-being of people of all nations at risk.

Surveys show that many Americans think climate change is still a topic of significant scientific disagreement.i Thus, it is important and increasingly urgent for the public to know there is now a high degree of agreement among climate scientists that human-caused climate change is real. Moreover, while the public is becoming aware that climate change is increasing the likelihood of certain local disasters, many people do not yet understand that there is a small, but real chance of abrupt, unpredictable and potentially irreversible changes with highly damaging impacts on people in the United States and around the world.

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Abrupt Climate Change: No Bioperturbation

(CLICK HERE - STUDY - ABRUPT IMPACTS OF CLIMATE CHANGE - Anticipating Surprises)

National Academy of Sciences (NAS)

truth-out.org - by Bruce Melton - March 18, 2014

Today, we are burning fossil carbon one million times faster than it was naturally put in the ground, and carbon dioxide is increasing 14,000 times faster than anytime in the last 610,000 years (1,2). Climate is now changing faster than it has during any other time in 65 million years - 100 times faster than the Paleocene/Eocene extinction event 56 million years ago see here.(3) However, "climate change" is not the most critical issue facing society today; abrupt climate change is.

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Researchers: Northeast Greenland Ice Loss Accelerating

       

Open water in northeast Greenland, where ice loss is accelerating. Photo by Finn Bo Madsen, courtesy of The Ohio State University.

All margins of ice sheet now unstable—and contributing to sea level rise

osu.edu - March 17, 2014

COLUMBUS, Ohio—An international team of scientists has discovered that the last remaining stable portion of the Greenland ice sheet is stable no more.

The finding, which will likely boost estimates of expected global sea level rise in the future, appears in the March 16 issue of the journal Nature Climate Change [DOI:10.1038/NCLIMATE2161].

(READ COMPLETE ARTICLE)

CLICK HERE - RESEARCH - Sustained mass loss of the northeast Greenland ice sheet triggered by regional warming

 

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Global Warming - Natural Cycle, or Human-Influenced?

ossfoundation.us

Is global warming a natural cycle? Or is global warming affected by human influence? What does the science say? Both are true. In the natural cycle, the world can warm, and cool, without any human interference. For the past million years this has occurred over and over again at approximately 100,000 year intervals. About 80-90,000 years of ice age with about 10-20,000 years of warm period, give or take some thousands of years.

The difference is that in the natural cycle CO2 lags behind the warming because it is mainly due to the Milankovitch cycles. Now CO2 is leading the warming. Current warming is clearly not a natural cycle.

(READ COMPLETE ARTICLE)

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Climate Change Linked to Disappearance of Ice Free Regions in Antarctica

      

Climate Change Linked to Disappearance of Ice Free Region Polynya in Antarctica (Photo : NASA via Reuters, file)

CLICK HERE - STUDY - Cessation of deep convection in the open Southern Ocean under anthropogenic climate change

scienceworldreport.com - March 4, 2014

A team of international scientists says that climate change is responsible for the recent disappearance of the ice free regions known as polynya in the Antarctica. . .

. . . However, the new study led by researchers at McGill University claims that the Weddell polynya of the 1970s may have been the last event, of what was earlier a common feature of southern Ocean, and is currently suppressed due to the effects of the accelerating climate change on the salinity of the ocean.

(READ COMPLETE ARTICLE)

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Wind of change sweeps through energy policy in the Caribbean

A fruit juice cafe in Road Town, Tortola, in the British Virgin Islands. Many Caribbean islands are turning to sustainable energy. Photographs: Jenny Bates

Image: A fruit juice cafe in Road Town, Tortola, in the British Virgin Islands. Many Caribbean islands are turning to sustainable energy. Photographs: Jenny Bates

theguardian.com - John Vidal - February 10th, 2014

Aruba in the southern Caribbean has 107,000 people, a lot of wind and sun and, until very recently, one very big problem. Despite the trade winds and sunshine, it was spending more than 16% of its economy on importing 6,500 barrels of diesel fuel a day to generate electricity. People were furious at the tripling of energy prices in 10 years and the resulting spiralling costs of imported water and food.

(VIEW COMPLETE ARTICLE)

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Global Riot Epidemic Due to Demise of Cheap Fossil Fuels

      

A protester in Ukraine swings a metal chain during clashes - a taste of things to come? Photograph: Gleb Garanich/Reuters

submitted by Mikayla McDonald

From South America to South Asia, a new age of unrest is in full swing as industrial civilisation transitions to post-carbon reality

theguardian.com - by Nafeez Ahmed - February 28, 2014

If anyone had hoped that the Arab Spring and Occupy protests a few years back were one-off episodes that would soon give way to more stability, they have another thing coming. The hope was that ongoing economic recovery would return to pre-crash levels of growth, alleviating the grievances fueling the fires of civil unrest, stoked by years of recession. . .

. . . The recent cases illustrate not just an explicit link between civil unrest and an increasingly volatile global food system, but also the root of this problem in the increasing unsustainability of our chronic civilisational addiction to fossil fuels. . .

. . . Of course, the elephant in the room is climate change.

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There Never Was a Pause in Global Warming or Climate Change

Climate scientist Professor Matt England explains his study on the influence of Pacific trade winds on global temperatures

All signs point to an acceleration of human-caused climate change. So why all this talk of a pause?

CLICK HERE - STUDY - Recent intensification of wind-driven circulation in the Pacific and the ongoing warming hiatus

theguardian.com - by Graham Readfearn - February 11, 2014

The idea that global warming has "paused" or is currently chillaxing in a comfy chair with the words "hiatus" written on it has been getting a good run in the media of late.

Much of this is down to a new study analysing why one single measure of climate change – the temperatures on the surface averaged out across the entire globe – might not have been rising quite so quickly as some thought they might.

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Steven Chu, Secretary of the Dept of Energy on Melting Permafrost and Methane Hydrate Releases

Nobel Physicist and US Energy Secretary Steven Chu describes the potential global warming feedback from melting permafrost and methane.

https://www.youtube.com/watch?v=oHqKxWvcBdg&list=PLF48ACB853C81076A

November 30, 2010

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Arctic Seafloor Methane Releases Double Previous Estimates

      

Methane burns as it escapes through a hole in the ice in a lagoon above the East Siberian Arctic Shelf. 
Credit: Natalia Shakhova
 
 

sciencedaily.com - University of Alaska Fairbanks - November 25, 2013

The seafloor off the coast of Northern Siberia is releasing more than twice the amount of methane as previously estimated, according to new research results published in the Nov. 24 edition of the journal Nature Geoscience.

The East Siberian Arctic Shelf is venting at least 17 teragrams of the methane into the atmosphere each year. . .

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