This organization was established to assess scientific, technical and socio-economic information relevant for the understanding of climate change, its potential impacts, and options for adaptation and mitigation. Links at this site lead to pages entitled About IPCC, Activities, Calendar of Events, Publications, Presentations and Graphics, Press releases and Speeches, and Official documents. The main ... Full description.

This Earth Observatory site contains detailed information on the carbon cycle of the Earth. It provides an explanation of the role of carbon in the geologic carbon cycle followed by a discussion of carbon in the life process, including photosynthesis and respiration. Carbon sinks on land and in the ocean are covered next, followed by the human role in the cycle. Lastly, the activity of the National ... Full description.

This site explains the global warming exhibit at the Marian Koshland Science Museum of the National Academy of Sciences and provides information and activities for students in regard to global warming. It includes an introduction to global warming and sections about the greenhouse effect and carbon cycle, as well as causes, impacts, responses and predictions of climate change. Each section has from ... Full description.