|Valuing Climate Changes: Updating Estimation of the Social Cost of Carbon Dioxide|
This report from the Board on Environmental Change and Society recommends both short-term and longer-term updates to the methodology to strengthen the scientific basis, provide greater transparency, and improve characterization of the uncertainties in the estimates.
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|Characterizing Risk in Climate Change Assessments|
These proceedings from the Board on Environmental Change and Society and the Board on Atmospheric Sciences and Climate summarize a workshop held in March 2016 that explored ways to more clearly characterize the risks associated with climate change—both societal and biophysical—that are being observed and projected, and described in the National Climate Assessments that the U.S. Global Change Research Program conducts every four years.
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|Review of the U.S. Global Change Research Program's Update to the Strategic Plan Document|
The Update to the Strategic Plan (USP) is a supplement to the Ten-Year Strategic Plan of the U.S. Global Change Research Program (USGCRP) completed in 2012. The Strategic Plan sets out a research program guiding thirteen federal agencies in accord with the Global Change Research Act of 1990. This report reviews whether USGCRP’s efforts to achieve its goals and objectives, as documented in the USP, are adequate and responsive to the Nation’s needs, whether the priorities for continued or increased emphasis are appropriate, and if the written document communicates effectively, all within a context of the history and trajectory of the Program.
|Assessment of Approaches to Updating the Social Cost of Carbon: |
This report from the Board on Environmental Change and Society advises that there would not be sufficient benefit to updating estimates of the social cost of carbon (SCC) within a year based only on the revision of a specific parameter in the existing framework used by the government’s interagency group to measure the SCC. The committee considered whether a near-term change is warranted on the basis of updating the probability distribution for equilibrium climate sensitivity (ECS). Because ECS is only one input to the framework used to estimate the SCC, updating the ECS alone may not significantly improve the estimates. The report also recommends ways to change the IWG's technical support documents to enhance the qualitative characterization of uncertainties associated with the SCC estimates, which would increase the transparency of the estimates when used in regulatory impact analyses.