NYT Revkin Abrupt Climate Change

By: arcticmelt , 1:39 PM GMT on March 03, 2014

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http://dotearth.blogs.nytimes.com/2013/12/03/an-upd ate-on-risks-of-abrupt-jolts-from-global-warming/? _php=true&_type=blogs&_r=0

Dot Earth - New York Times blog
Climate Change December 3, 2013, 11:00 am
An Update on Risks of Abrupt Jolts from Global Warming
By ANDREW C. REVKIN

In 2002, the National Academy of Sciences published “Abrupt Climate Change: Inevitable Surprises,” a valuable report examining whether and how the building human influence on the climate system might lead to disruptive jolts. The most important finding, in a way, was that this was an area sorely in need of intensified research.

Most of the “monsters behind the door,” to use an apt phrase from Stephen W. Pacala of Princeton, were plausible rather than probable. There were signs they’d escaped before (evidence of past abrupt changes), but only faint scratching could be heard now.

Now there’s a new report from the Academy’s National Research Council. The title reflects advances in understanding: “Abrupt Impacts of Climate Change: Anticipating Surprises.” The findings laid out below reinforce the reality that the biggest impacts of greenhouse-driven global warming still lie several generations in the future.

Given humanity’s focus on the near and now, the greatest challenge posed by global warming is figuring out how to spur meaningful changes in energy norms based on a risk with this time scale.

With that in mind, the new report also looks at abrupt change in societies as well as the climate system. Read more on that below from one of the authors.

This excerpt from a summary nicely summarizes the basic findings:

Abrupt change is already underway in some systems [summer Arctic sea ice and extinction rates], and large scientific uncertainties about the likelihood of other abrupt changes highlight the need for further research. However, with recent advances in understanding of the climate system, some potential abrupt changes once thought to be imminent threats are now considered unlikely to occur this century

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Care about discussion of how to slow the dire effects of human caused Global Warming.Okla media no help/part of the problem