Climate Change 2007: The Physical Science Basis - Summary for Policymakers

Intergovernmental Panel on Climate Change
21 pages (February 2007); 2.2MB download
World Meteorological Organization (WMO) and the United Nations Environment Programme (UNEP); ISBN: WOWIO-00069

DESCRIPTION

This summary report assesses the current scientific knowledge of the natural and human drivers of climate change, observed changes in climate, the ability of science to attribute changes to different causes, and projections for future climate change.

The report was produced by some 600 authors from 40 countries. Over 620 expert reviewers and a large number of government reviewers also participated. Representatives from 113 governments reviewed and revised the Summary line-by-line during the course of this week before adopting it and accepting the underlying report.