Head in a Cloud

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• 1 Head in A Cloud » What do we really need to know about clouds? // Jun 30, 2006 at 11:34 am

  [...] There is a recognition among atmospheric scientists (and of course, AGW contrarians!), that uncertainties in our understanding of clouds are problematic for everything from weather prediction to projections of future climate. In fact, the range of climate sensitivities of 1.5 – 4.5 °C quoted in the IPCC for a doubling of CO2 is largely a result of various representations of clouds in GCM’s. [...]

• 2 prophetofgoogle // Jun 8, 2009 at 11:35 pm

  Global warming is the increase in the average temperature of the Earth’s near-surface air and oceans since the mid-20th century and its projected continuation. Global surface temperature increased 0.74 ± 0.18 °C (1.33 ± 0.32 °F) during the last century.

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