This Fifth Assessment Report of the Intergovernmental Panel on Climate Change (IPCC) will again form the standard scientific reference for all those concerned with climate change and its consequences, including students and researchers in environmental science, meteorology, climatology, biology, ecology and atmospheric chemistry. It provides invaluable material for decision makers and stakeholders at international, national and local level, in government, businesses, and NGOs. This volume provides:An authoritative and unbiased overview of the physical science basis of climate changeA more extensive assessment of changes observed throughout the climate system than ever beforeNew dedicated chapters on sea-level change, biogeochemical cycles, clouds and aerosols, and regional climate phenomenaExtensive coverage of model projections, both near-term and long-term climate projectionsA detailed assessment of climate change observations, modelling, and attribution for every continentA new comprehensive atlas of global and regional climate projections for 35 regions of the world