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A collection of distributed information systems operated by government agencies involved in global change research. Includes multidisciplinary data from atmospheric science, ecology, oceanography, economics and sociology.

Database including descriptions of several Earth science fields: the atmosphere, biosphere, hydrosphere and oceans, snow and ice, geology and geophysics, paleoclimatology, and human dimensions of global change.

Illustrates observed consequences, as indicated by periods of unusually warm weather, coastal flooding, and changes in glaciers and polar regions.

Graphical presentation from the US Government National Environment Satellite, Data, and Information Service. Includes charts for sea surface temperatures, aerosol optical thickness, coral bleaching hotspots, precipitation, volcanic ash, and a snow and ice mapping system.

Provides an broad overview of the subject, including notes on diverse environmental topics and links to brief essays about threatened species and habitats. From the environmental organization EcoBridge.