National Research Council (U.S.) Commission on Geosciences, Environment, and Resources

Scope includes atmospheric sciences, climate, oceanography, solid-earth sciences, radioactive waste management, polar research, environmental science and toxicology, natural disasters, and water science. Commission rep
http://www7.nationalacademies.org/dels/

USGS Publications and Data

Products from the U.S. Geological Survey.
http://www.usgs.gov/pubprod/index.html

The Global Change Master Directory, Goddard Space Flight Center

A comprehensive directory of information about Earth science data, including broad coverage of the oceans, atmosphere, hydrosphere, solid earth, biosphere and human dimensions of global change.
http://gcmd.gsfc.nasa.gov/

International Geosphere-Biosphere Programme

Programme is focused on acquiring basic scientific knowledge about the interactive processes of biology and chemistry of the earth as they relate to Global Change.
http://www.igbp.kva.se/

GeoRef Information System

Bibliographic database of geoscience literature.
http://www.georef.org/

E-Theater

NASA Goddard Space Flight Center, Visualization Analysis Lab, E-Theater offers presentations of the latest Earth Science Discoveries on a portable large format, or IMAX screen.
http://rsd.gsfc.nasa.gov/rsd/ETheater/

Earth Science Australia

Earth science resources, images, freeware for students and teachers as well as general information about earth science in Australia.
http://earthsci.org/

Geo-Glossary Online

Contains equivalent geological and geographical terms in four languages (German, English, Norwegian and Dutch).
http://www.geowoerterbuch.com/indexe.html