This appendix is an update to the frequently asked questions (FAQs) presented in the Third National Climate Assessment (NCA3). New questions based on areas of emerging scientific inquiry are included alongside updated responses to the FAQs from NCA3. The answers are based on the U.S. Global Change Research Program’s (USGCRP) sustained assessment products, other peer-reviewed […]
NCA 4: Data Tools and Scenarios Products – Appendix 3
To enable National Climate Assessment (NCA) authors to do the in-depth analysis necessary to make the Fourth National Climate Assessment (NCA4) most useful, the U.S. Global Change Research Program (USGCRP) provided author teams with an array of data tools and scenario products. This appendix contains additional information on some of the materials available to NCA4 […]
NCA 4: Information in the Fourth National Climate Assessment – Appendix 2
The Fourth National Climate Assessment (NCA4) synthesizes information about the impacts of climate change in the United States. As a highly influential scientific assessment (HISA), information cited within NCA4 must meet the standards of the Information Quality Act (IQA). Identification of Literature Sources This report assessed information from several sources, including 1) technical input reports […]
NCA 4: Report Development Process – Appendix 1
Assessments are essential tools for linking science and decision-making. The Global Change Research Act (GCRA) of 1990 charged the U.S. Global Change Research Program (USGCRP) with a legal mandate to conduct a scientific assessment on the effects of global change not less frequently than every four years; the third and most recent National Climate Assessment […]
NCA 4: Looking Abroad: How Other Nations Approach a National Climate Assessment – Appendix 4
The U.S. National Climate Assessment (NCA) is far from the only national assessment of climate impacts, risks, and adaptation in the world. There are a number of assessment products from other countries, each with its own distinct development process, structure, and intended purpose. This appendix is intended to place the Fourth National Climate Assessment (NCA4) […]
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