All Agencies:

• Grants.gov.
• FedGrants.gov

By Agency: (links verified 12 Jan 2004).

• Agency for International Development
  • FedGrants.gov
• Dept. of Agriculture
  • National Research Initiative Competitive Grants Program
  • Research and Education Grants
• Dept. of Commerce, Natl. Oceanic & Atmospheric Admin.
• Office of Global Programs, Grants
• Office of Oceanic and Atmospheric Research, Research Opportunities and Grants.
• NOAA Grants Management Division - grants and cooperative agreement information; funding opportunities.
• Solicitation and Grant Opportunities Index. 
• Dept. of Defense
  • Office of Naval Research, Solicitations and Business Opportunities
• Dept. of Energy.  See DOE's Office of Science, Grants and Contracts web site.  (link verified 16 May 2001).
• Dept. of Health and Human Services, National Institutes of Health.  Request for Proposals Directory.
• Dept. of the Interior, US Geological Survey.  Financial Assistance
• Department of State
  • FedGrants.gov
• Department of Transportation
  • Research and Special Programs Administration.
• Environmental Protection Agency. 
  • National Center for Environmental Research, Office of Research and Development, Announcements.
• National Aeronautics & Space Administration (NASA).  Open Solicitations (Office of Earth Science). 
• National Science Foundation. 
  • Geosciences Funding Opportunities (ordered by deadline dates) 
  • NSF Guide to Programs, FY2004
• Smithsonian Institution.  Office of Fellowships and Grants.

General:(links verified 12 Jan 2004).

• UK Natural Environment Research Council, Funding Research & Training.

By Focus Area:

• Atmospheric Composition. Updated 12 January 2004.
• Ecosystems.  Updated 9 April 2004.
• The Global Carbon Cycle (offsite link)
• Human Contributions and Responses.  Updated 12 January 2004.
• Climate Variability and Change.  Updated 12 January 2004.
• The Global Water Cycle.  Updated 12 January 2004.
• Land Use / Land Cover Change.  Updated 12 January 2004.