The US Global Change Research Information Office answers questions on dozens of topics such as land use, the carbon cycle, ozone depletion and global warming, with links organized by subject, category, and date of last update. Question-and-answer format.

Monthly air quality measurements from 2000 until 2004, from about a dozen UK monitoring stations. Support for programme and website withdrawn in 2005.

Fact sheets and information on climate change, with an Australian perspective. Also provides annual statements on Australia's climate.

Responds to data and information concerning greenhouse effect and global climate change. Includes research reports, news and articles.

WikiBook defines climate, the science of climate change, and discusses evidence of change.

Article reviews scientific understanding of the issue of greenhouse gases and climate change, as presented in peer-reviewed publications. This understanding serves as the underlying basis of the American Geophysical Union's position statement of December 1998.

Portal to information about climate and weather; how the atmosphere is affected by greenhouse gases and transport and industry emissions; issues of climate change (global warming), severe weather and smog. Provided by the Canadian government.

News links and background information from an organization that reports the effects on climate of actions by multinational corporations.

The history of scientific work on climate change from the 19th century to 2001, told in a set of hyperlinked essays

Canadian government site reporting official actions concerning climate change, and suggesting ways people can help.

A one-stop source of information, for younger and older users alike, on a range of atmospheric issues, including air quality, acid rain, global warming and ozone depletion. Provided by the UK Government Department of the Environment, Transport and the Regions.

Searchable bibliography on the impacts of environmental change on flora and fauna. Citations include peer-reviewed and selected gray literature. Hyperlinks are provided to the source where available.

Reports on the science of climate change, its impacts and possible mitigation strategies. Collection of indicators, reports, links, data sets and targets on climate change.

A statement by Professor Peter Barrett (Victoria University, Wellington, New Zealand) on the reality of global warming from the viewpoint of an earth scientist.

Provides, for the German government, recommendations for research and further action to combat global problems in the field of environment and development

An elementary introduction to the problems surrounding man-made climate change.

BALANCE is an EU funded project (2003-2005) that follows on from BASIS (1997-1999). Its aim is to assess the vulnerabilities of the Barents Sea system to climate change based on a common modelling framework for major environmental and societal components.

Discover how researchers study climate change; examine the latest scientific data on this global problem. From the US National Science Foundation.

International body disseminating information on global warming science and policy, sponsoring research. Serving governmental, non-governmental organizations, and industries in more than 120 countries. Conducts the Global Warming International Conference and Expo and publishes a journal.

Test your knowledge of global warming with a fun and informative quiz.

Conference of international experts hosted by University College London (UK) in June, 2006. Photos and profiles of keynote speakers, with twelve RealPlayer presentations and abstracts as text.

Mailing list subscription information and link to archives.

The updated Position Statement of the American Geophysical Union.

International Energy Agency. Introduction to climate change, information on technical solutions. Reports and a regular newsletter, details of forthcoming conferences, links to other sites.

Established by the World Meteorological Organization (WMO) and United Nations Environment Programme (UNEP) to assess available scientific, technical, and socio-economic information in the field of climate change. Links to full-text papers, meeting schedule, speeches and press releases, and an information center offering data viewed as statistics, graphically, and by map.

News, feature articles, data and reference reviews on many aspects of our changing world.

NPR and National Geographic are taking a yearlong global voyage, exploring how the Earth's climate shapes people and how people are shaping the Earth's climate.

Woods Hole Oceanographic Institute group researching climate processes in ocean and atmosphere. Describes research and includes articles and news on current topics in global warming and ocean monitoring.

Full-text online version of book from the (US) National Academy of Sciences, Board on Atmospheric Sciences and Climate, a detailed investigation into differences between surface temperatures and those of the lower troposphere, concluding that the warming trend is "undoubtedly real." From National Academies Press.

Aims to evaluate the impact of global change and enhance scientific capacity in developing countries.

A comprehensive directory of information about Earth science data, including broad coverage of the oceans, atmosphere, hydrosphere, solid earth, biosphere and human dimensions of global change.

In-depth coverage of global warming, related research and policy decisions.

Electronic information source covering global warming, climate change and sea level rise with particular reference to developing nations. Maintained at University of East Anglia, England.

Climate change information from GRID-Arendal, the United Nations Environment Programme information office.

Integrates federal research on climate and global change, as sponsored by thirteen federal agencies. Site provides information on US Federal policy.

Focuses on the science and impacts of global warming or climate change, and on actions by governments, corporations, and individuals that help address global warming issues. Features include climate change related news, events, publications, reports, presentations, and links to other sites.

Provides access to data and information on climate change research, adaptation/mitigation strategies and technologies, and global warming related educational resources for users worldwide.

combines and coordinates the research and policy development interests of the U. S. Government and Executive Offices of the President. Organized under the auspices of the Subcommittee on Global Change Research (SGCR), which is one of the seven environmental issue subcommittees established by the Committee on Environment and Natural Resources (CENR).

A summary of reports from the US National Academies of Science, as well as full reports, simple background information and links to related web-based material.

Answers to frequently asked questions about climate change.

The USA's Third National Communication under the United Nations Framework Convention on Climate Change. Includes an assessment of the likely impact of climate change on the US, and projections of future greenhouse gas emissions.

Online newsletter concerning issues on and about the UN's convention on long term weather change. Page includes list of meetings and the background behind the Kyoto Protocol.

An archived Usenet FAQ.

Offers a lighter side of global warming including jokes, consequences, and debate.