By Ben Geman - 09/23/13 02:19 PM EDT
But the green groups and efficiency advocates say the petition is unwarranted. From the comments by Earthjustice and the two other groups:
There is nothing remarkable or unlawful about the fact that, when updated data became available between the proposed and final rule, the Department used the updated data in the final rule. The inter-agency taskforce that calculates the social cost of carbon did not change its methodology in any way. It simply used the latest versions of the same group of models to generate an updated set of estimated values. The models themselves had been updated to account for recent peer-reviewed scientific findings, such as information on damages to coastal regions from sea level rise.