Roger Pielke Jr.'s Blog: The Significance of Climate Model Agreement: A Guest Post by Ryan Meyer

If 18 models get the same result, is that better than just one? Why? Climate science should provide a thorough explanation for this, especially if climate models are to begin informing policy decisions.

We argue in a paper now available in Environmental Science and Policy (PDF here) that agreement is only significant if the models are sufficiently independent from one another. The climate science community has mostly ignored the crucial problem of model independence while taking advantage of a tacit belief in the force of model agreement.

NC Media Watch: May was cold, but how cold?

The average temperature of Grass Valley in May was 49.32, or 9.03 degrees below the average. It makes one wonder where is the Global Warming?