CLIMATE CHANGEWORLD METEOROLOGICAL ORGANIZATION/UNITED NATIONS ENVIRONMENT PROGRAMMEINTERGOVERNMENTAL PANEL ON CLIMATE CHANGEThis is the final Report of Working Group 1 of the Intergovernmental Panel on Climate Change,which is sponsored jointly by the World Meteorological Organization and the United NationsEnvironment Programme.The report considers the scientific assessment of climate change.Severalhundred working scientists from 25 countries have participated in the preparation and review of thescientific data.The result is the most authoritative and strongly supported statement on climatechange that has ever been made by the international scientific community.The issues confronted withfull rigour include:global warming,greenhouse gases,the greenhouse effect,sea level changes,forcing of climate,and the history of Earth's changing climate.The information presented here is ofthe highest quality.It will inform the necessary scientific,political and economic debates andnegotiations that can be expected in the immediate future.Appropriate strategies in response to theissue of climate change can now be firmly based on the scientific foundation that the Report provides.The Report is,therefore,an essential reference for all who are concerned with climate change and itsconsequences.