- International Atomic Energy Agency (IAEA)
- This is the web portal for the IAEA, which promotes the peaceful use of atomic energy and supports non-proliferation of nuclear weapons.
- WorldWideScience.org-the Global Science Gateway
- This web site provides access to information about science initiatives currently being undertaken in nations throughout the world.
- International Telecommunications Union
- This is an agency of the United Nations that coordinates the global radio spectrum, promotes cooperation in satellite orbits, and helps advance developing countries' infrastructure.