Up to date data on threatened/endangered species (plant and animal) in the U.S.

Downloadable datasets mapping U.S. wetlands.

EPA evaluations on all bodies of water in the U.S.

International data on food security, land use, and other agricultural topics.

Mapping and tracking drought worldwide.

Data on glaciers, permafrost, snow and more.

This web site allows you to search for datasets by data type, update time, state/territory, altitude and numerous other criteria.You can also narrow your search to groundwater, water quality,surface water, or water use.

Useful for assessing current drought conditions in the U.S.

Catalog of publicly available agricultural data from the USDA.