Tuesday, September 01, 2009

Rising Sea Level Projections

Real Climate:

The scientific sea level discussion has moved a long way since the last IPCC report was published in 2007.... The Copenhagen Synthesis Report recently concluded that “The updated estimates of the future global mean sea level rise are about double the IPCC projections from 2007″....

In our view, when presenting numbers to the public scientists need to be equally cautious about erring on the low as they are on the high side. For society, after all, under-estimating global warming is likely the greater danger.

This information is typical of the ongoing development of climate change science. That is, not only is it happenening, but it is happening at a faster rate than at first predicted.

The denialists, therefore, are not only wrong about the science, but also wrong about the speed of change. As Ross Garnaut has said, at bottom the issue is a moral one, and the denialists have no morals.

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