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This FY 2006 edition of Our Changing Planet highlights recent advances supported by CCSP participating agencies in each of the program's research and observational elements, as called for in the Strategic Plan for the U.S. Climate Change Science Program released in July 2003. It describes a wide range of new and emerging observational capabilities which, combined with the program's other analytical work, are leading to remarkable advances in understanding the underlying processes responsible for climate variability and change. The document illustrates advances in U.S. modeling capabilities to represent past, present, and potential future changes in the physical and biological dimensions of the Earth system. The report also highlights progress being made to explore the uses and limitations of evolving knowledge to manage risks and opportunities related to climate variability and change.The final chapter documents the program's numerous current activities to promote cooperation between the U.S. scientific community and its worldwide counterparts. The document also outlines how CCSP plans to continue implementation of the CCSP Strategic Plan during FY 2006.

Note: This document describes the U.S. Climate Change Science Program (CCSP) for FY 2006. It provides a summary of the achievements of the program, an analysis of the progress made, and budgetary information. It thereby responds to the annual reporting requirements of the U.S. Global Change Research Act of 1990 (section 102, P. L. 101-606). It does not express any regulatory policies of the United States or any of its agencies, or make any findings of fact that could serve as predicates for regulatory action. Agencies must comply with required statutory and regulatory processes before they could rely on any statements in this document or by the CCSP as a basis for regulatory action.