NASA's Goddard Institute for Space Studies (GISS) presents its work in the prediction of climatic and atmospheric changes in the 21st century. Users can learn about GISS's many research projects in Global Climate Modeling, Planetary Atmospheres, Atmospheric Chemistry, and more. The website provides news releases of its work for the general public. Visitors can download many software packages including the latest GISS coupled atmosphere ocean model, called ModelE. Researchers can find a wide range of data sets of earth observations, climate forcing, global climate modeling, and radiation. The Publications link offers almost 1500 citations and abstracts as well as over four hundred online publications. Students can discover how to become involved with GISS's research activities.