Government Agencies

Synthetic Aperture Radar -- Sandia National Laboratories - Sandia National Laboratories is a world leader in Synthetic Aperture Radar. SAR imagery, movies and information.
http://www.sandia.gov/radar/sar.html

NASA Earth Observing System - EOS - EOS consists of a science component and a data system supporting a coordinated series of polar-orbiting and low inclination satellites for long-term global observations of the land surface, biosphere, solid Earth, atmosphere, and oceans.
http://eospso.gsfc.nasa.gov/

National Operational Hydrologic Remote Sensing Center - National Weather Service (NWS) center of expertise in satellite and airborne remote sensing and geographic information systems (GIS) to support the NWS operational hydrology program. Provides remotely sensed and GIS hydrology products, GIS applications and spatial data sets.
http://www.nohrsc.nws.gov/

Remote Sensing Research at the Lunar and Planetary Institute - Research activities at the Lunar and Planetary Institute in reflectance spectroscopy and thermal infrared spectroscopy of Mars and Earth.
http://www.lpi.usra.edu/science/kirkland/

National Imagery and Mapping Agency (NIMA) - NIMA provides imagery, imagery intelligence and geospatial information in support of the nation's military forces and national policy makers and civil users.
http://www.nima.mil/

NASA Earth Observatory - Explore the causes and effects of climatic and environmental change through the use of real satellite data.
http://earthobservatory.nasa.gov/