- BLM - Navigator
(Public) Portal to search and download for BLM datasets. Search nationally or by state. Data includes habitats, wildlife corridors, land ownership, grazing allotments, off-highway vehicle designations, and national monuments.
- Commission for Environmental Protection National Environmental Atlas
(Public) A digital repository of maps, data, and products pertaining to environmental issues in North America. Datasets can be previewed from the map viewer or browsed and downloaded individually as listings.
- EPA Enforcement & Compliance History
(Public) A searchable map interface showing federal and state EPA data, enabling searches for air, water, hazardous waste, enforcement cases, and facilities data. Data can be exported as CSV or XLS.
- Earth Explorer (USGS)
(Public) Satellite and aerial imagery covering the entire world that are managed by the USGS. Includes all Landsat collections, AVHRR, DLGs, and DEMs.
- LANDFIRE Program
The LF Program provides 20+ national geo-spatial layers (e.g. vegetation, fuel, disturbance, etc.), databases, and ecological models that are available to the public for the US and insular areas. Learn how LF is important to wildland fire management and supports more than fire.
- NRCS Geospatial Data Gateway
(Public) Provides search and download capabilities for high-resolution environmental and natural resource data held in the national Geospatial Data Warehouse.
- The Nature Conservancy Data and Reports - Arizona
(Public) Access GIS data including freshwater assessments, natural infrastructure, ecoregional assessments (North America), biotic communities (southwest), and grasslands assessments.
- The National Map (USGS)
(Public) Provides data download, web products and services, and web access to orthoimagery, elevation, hydrography, boundaries, transportation, structures, and land cover covering the entire nation.
- National Weather Service - GIS
(Public) Landing page for the national weather service. Provides visualization, downloads, and web services for NWS products
- Pima Association of Government (PAG) Orthophotography and LiDAR Imagery Data 1998-2015
(UA Access Only) Access Pima County orthophotography and LIDAR data from 1998, 2005, 2008, 2011, and 2015.
- National Interagency Fire Center
(Public) Access online maps showing locations and perimeters of fires across the United States from 2002 to present. Data downloads available in KML and shapefile formats. This project was formally known as Geospatial Multi-Agency Coordination Group (GeoMAC).
- US Bureau of Reclamation
(public) Access open data provided by the USBR. Data includes products for projected temperature and precipitation changes for critical regions including the Columbia, Colorado, Sacramento-San Joaquin, and Rio Grande River basins.