American Geological Institute (AGI)
A nonprofit federation of 32 geoscientific and professional associations that represent geologists, geophysicists, and other earth scientists. Information services to geoscientists, geoscience education, and strives to increase public awareness of the role the geosciences play in mankind's use of resources and interaction with the environment.
http://www.agiweb.org/
USGS Publications and Data
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Products from the U.S. Geological Survey.
http://www.usgs.gov/pubprod/
Earth Science Australia
Contains portal to earth science freeware, cyber education, energy and minerals, earth science links, and more.
http://www.earthsci.org/
National Academy of Sciences Division on Earth and Life Studies
Consists of fifteen units that facilitate communication among the research community, policy makers, industry, interest groups, and the public. DELS is responsible for a vast array of topics, ranging from the molecular level (e.g., biotechnology) to the global level (e.g., climate change).
http://dels.nas.edu/dels/