Skip to main content
Intergovernmental Panel of Climate Change (IPCC)
IPCC Fourth Assessment Report
Working Group I Report "The Physical Science Basis"
Working Group II Report "Impacts, Adaptation and Vulnerability"
Working Group III Report "Mitigation of Climate Change"
Summary for Policymakers in the IPCC Fourth Assessment Report
Synthesis Report Summary
Working Group I Summary "The Physical Science Basis"
Working Group II Summary "Impacts, Adaptation and Vulnerability"
Working Group III Summary "Mitigation of Climate Change"
IPCC's Press Releases
United Nations Environment Programme (UNEP)
Climate Change Information Kit
Maps and Graphics on Climate Change
Vital Graphics on Climate Change
HKO Climatological Information Services
Climate Change pages by the Environment Protection Department
Combating Climate Change Campaign by Environmental Campaign Committee
United Nations Framework Convention on Climate Change (UNFCCC)
Gateway to the UN System's Work on Climate Change
Global Warming pages by World Meteorological Organization (WMO)
Climate Change (World Climate Research Programme WCRP, WMO)
Climate Change pages by the Enviornmental Prtotection Agency (EPA) of the U.S.
Climate Change pages by World Wild Funding (WWF)
Chinese Climate Change Network by China Meteorological Adminstration (CMA)
Climate Change pages by the Bureau of Meteorology (BoM) of Australia
Climatic Research Unit (CRU) of the University of East Anglia UK
Frequently Asked Questions about Global Warming (NOAA)
Last revision date: <27 Dec 2012>