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offers a window into the world of scientific research on climate change. Learn about physical processes underlying the earth's climate, data on how the climate is changing and the role of human activity, and questions and uncertainties that researchers continue to explore. The site is organized in four parts: the atmosphere, hydrosphere (oceans and water), cryosphere (snow and ice), and biosphere (living organisms). (Exploratorium, National Science Foundation)
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Interpreting past and present climate data is difficult, but predicting future climate change -- and its possible effects -- is even more challenging. Researchers use complex computer simulations called climate models to predict long-term weather patterns. A model's reliability depends on the number of variables taken into account and the accuracy of measurements used. |
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Sea surface temperatures |
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