The IPCC flip flop on year 2100 temperature projections

Andrew Montford at Bishop Hill recently posted links to the AR5 second order draft materials and comments dated March 28th, 2013. With those available it allows us to begin constructing a timeline of how the finalized documents were hammered out. One of the first things I noticed, was that the temperature projections to the end…

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IPCC on acid – if they are virtually certain about ocean acidification, why does X-prize offer a reward for designing a proper ocean pH meter?

The IPCC writes in the “leaked” SPM It is very likely that oceanic uptake of anthropogenic CO2 results in acidification of the ocean. The pH 44 (see 7) of seawater has decreased by 0.1 since the beginning of the industrial era, corresponding to a 45 26% increase in hydrogen ion concentration. {3.8.2; Box 3.2; FAQ…