80% by 2050
In 2007, the IPCC (Intergovernmental Panel on Climate Change) issued its Fourth Assessment Report, which, taking into account scientific process and language, and the impact of politics, pretty much said, “We’re frying the planet and it’s every bit as bad as Gore says. We need to make really big changes or we’re toast!” The media morphed this into the myth that a reduction of greenhouse gas (GHG) emissions of 80% by 2050 would “stabilize” the atmosphere at a CO2 level of 450 parts per million, with a “safe” two degrees Celsius rise that would avoid runawayglobal warming.
50% by 2050
This summer the G8 had a summit, resulting in a tentative agreement to discuss and possibly adopt a target of 50% GHG reductions by 2050, if the developing nations agreed, which they did not.
350 ppm by 2050
Recently James Hansen, widely recognized as the leading US climate scientist, broke from the IPCC pack...
Read the rest of Colin Grant's Fast Forward in CitiesGoGreen magazine's October issue.
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