15 Oct '11, 1am

The high cost of inaction

The high cost of inaction

In 2004 Stephen Pacala and Robert Socolow published a paper in Science in which they argued that a pragmatic, but still difficult, way of stabilizing atmospheric CO2 levels over the long term was via the implementation of seven “stabilization wedges” over the next 50 years. The idea was very simple: each wedge represented one in-hand technology or societal practice that could be implemented, relatively slowly at first and increasing linearly with time, to make a small but growing dent in the rise in CO2 emissions, stabilizing them at 2004 levels (about 7 Gigatons/Year) over the next 50 years (see figure below). These seven wedges would be chosen from among a larger set of fifteen possibilities that included standard mitigation approaches such as increased energy efficiencies in vehicles and buildings, carbon capture at coal plants, nuclear power increases, and reduced defo...

Full article: http://www.realclimate.org/index.php/archives/2011/10/the...

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