Global Change Data Center our mission is to ensure worldwide access to earth science data in support of the U.S. Global Change Program and the NASA Mission to Planet Earth.
Global Change Master Directory (GCMD) is a comprehensive source of information about Earth science, environmental, climate, and global change data holdings available to the scientific community throughout the world.
Unidata provides innovative software and services that empower universities to acquire and use atmospheric and related data (in real time).
National Lightning Safety Institute - Concerned with lightning safety, NLSI provides education seminars as well as site surveys to assure "best available" technology.