M:
Mapping Water Use from Space - Webcast - Webcast of a talk at the Library of Congress. Martha Anderson, PhD., talks about using images from the Landsat satellite program to monitor water use and drought on U.S. farms. It is used to measure evapotranspiration, the total amount of water used in the process of growing crops. [U.S. Library of Congress (LOC)]

N:
NBIC: National Ballast Information Clearinghouse - Data on the ballast water management practices of commercial ships that operate in the waters of the United States [Smithsonian Institution, Smithsonian Environmental Research Center; U.S. Department of Homeland Security (DHS), U.S. Coast Guard]

O:
Observing the Living Oceans from Space. Webcast - A Webcast of a presentation by Gene Feldman, NASA Goddard Space Flight Center. [U.S. Library of Congress (LOC)]

U:
United States Global Change Research Program - Coordinates and integrates federal research on changes in the global environment and their implications for society. [Multiple agencies involved]