We are becoming accustomed to reports of extreme weather events, declining species, and record temperatures. A 2009 report by Oxfam suggested that 26 million people had already been displaced as a result of climate change (www.oxfam.org). As much as a scientific theory can be proven, climate change and mankind’s contribution has been proven. It has been confirmed by the International Panel for Climate Change (IPCC), a worldwide group of scientists who have reviewed all available scientific research.
The IPCC reports that there is no more debate, the science is clear. The only question is how fast can we act to achieve the necessary reductions in atmospheric CO2. On our best evidence we need to keep temperature increases to less than 2°C. Emissions already made have not yet had their full impact – so we are perilously close to reaching this even if we reduce emissions dramatically now.
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IPCC (Intergovernmental Panel on Climate Change)