1. Carbon Dioxide Information Analysis Center

2. AmeriFlux Network

3. Compendium of On-Line Soil Survey Information

4. The International Satellite Land-Surface Climatology Project, Initiative II Data Archive

5. Distributed Active Archive Center (DAAC) for Biogeochemical Dynamics

6. Climate Variability and Predictability (CLIVAR) and Carbon Hydrographic Data Office

7. National Snow and Ice Data Center

8.  North American Carbon Program

9. Soil Carbon Network

10. United States Long Term Ecological Research Network (LTER)

11. Florida Coastal Everglades LTER

12. LTER Net Primary Productivity Database

13. Climate and Hydrology Database Projects (ClimDB/HydroDB)

14. United States Geological Survey (USGS)

15. United States Department of Agriculture (USDA) – Economic Research Service

16. National Climatic Data Center (NCDC)/National Oceanic and Atmospheric Administration (NOAA)

17. Earth System Research Laboratory (ESRL/NOAA) – Physical Sciences Division

18. United States Fish and Wildlife Service (FWS) – Branch of Data and Systems Services

19. FWS – National GIS Data Sets

20. FWS – National Wetlands Inventory

21. Geospatial One-Stop (GOS)

22. Distributed Active Archive Center for Biogeochemical Dynamics (ORNL-DACC)

23. Global carbon project