This portal provides access to a wide array of global change information and data. The site features up-to-date reports about a variety of global change topics such as greenhouse gas emissions, climate modeling, oceanic currents, and temperature measurements. There is a wealth of raw data available through NASA's Global Change master on-line directory, which provides descriptions of earth science data sets and services relevant to global change research. The News section contains articles from around the world regarding policy initiatives and research results. For the non-scientist, there is a question and answer feature called Ask Dr. Global Change. This service explains in simple terms many of the complicated topics of global change. Users may search the archives of previous questions or pose new ones. This site also offers numerous links to other agencies and sources of information, reports and data.


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