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

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

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.

A detailed investigation into the relationship and differences between the surface temperature record (provided by weather stations) and that of the lower troposphere (provided by satellites and weather balloons). (July 1, 2000)

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

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.

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

Scientific research, links, educational resources, U.S. national assessment of the potential consequences of climate variability and change

Answers to frequently asked questions about climate change.