This site provides information on the many aspects of the study of the sea surface from space. Measuring the ocean surface topography provides information for studying global ocean circulation and the oceans heat budget. Regular scanning of the ocean surface to maintain a database of ocean surface topography can help predict short-term changes in weather and longer-term patterns of climate. Educational ... Full description.

This collection of graphic images, prepared by the Intergovernmental Panel on Climate Change of the United Nations, provides visual information on climate change issues that makes it possible to grasp complex facts more quickly and fully than would be possible through written text alone. The images consist of posters, maps, graphs, and flow charts that present introductory material on climate change, ... Full description.

This calculator allows users to calculate their ecological footprint in terms of trees required to sequester the carbon from carbon dioxide emissions produced by household use and transportation. Exact emissions figures or national averages can entered into the calculator, and the amount of carbon dioxide generated by burning of fossil fuels is calclulated, as well as the number of trees it will take ... Full description.

Planet Under Pressure is a six-part British Broadcasting Company (BBC) News Online series looking at some of the most pressing environmental issues facing the human race today. The series takes a detailed look at six areas where most experts agree that a crisis is brewing. They include food, water, energy, climate change, biodiversity, and pollution. In addition there are special features including: ... Full description.

GreenHouse Gas Online catalogues greenhouse gas related articles published in over 100 peer-reviewed journals from around the world. Only journal articles with freely available abstracts are included. The latest general news and journal articles can be found listed by title, while links to archived material is available by topic. Pages devoted to background information on the various greenhouse gases, ... Full description.