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How well we understand global climate change is an ever evolving science, with projections made just 12 months ago about how much sea levels will rise, what levels of atmospheric concentration of CO2 will prevent the worst of global warming, and how much warming can the planet take before it all goes haywire, all being revised. The bad news is that the planet's climate seems to be changing faster than anyone predicted. The good news is that we still can prevent it. But before any of that, you really need to know where climate change science is at the end of 2009....
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More on Global Climate Change:
Worst-Case IPCC Climate Change Trajectories Are Being Realized?Sea Level Rise Predictions Too Low, No Abrupt Release of Methane
350: The Number That Will Save the Planet
