Summary for Policymakers of the Synthesis Report of the IPCC fourth assessment report: draft copy

Abstract

This Synthesis Report is based on the assessment earned out by the three Working Groups of the IPCC. It provides an integrated view of climate change as the final part of the IPCC's Fourth Assessment Report. A complete elaboration of the topics covered on this summary can be found on this Synthesis Report and in the underlying reports of the three Working Groups.