Daily Climate: Scientists will tell you: There are no perfect computer models. All are incomplete representations of nature, with uncertainty built into them. But one thing is certain: Several fundamental projections found in Intergovernmental Panel on Climate Change reports have consistently underestimated real-world observations, potentially leaving world governments at doubt as to how to guide climate policy. Emissions At the heart of all IPCC projections are "emission scenarios:" low-, mid-, and high-range...
URL: http://www.scientificamerican.com/article.cfm?id=how-the-ipcc-underestimated-climate-change
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