Global Environmental Monitoring System
the Global Environmental Monitoring Systems of the Governing Council of UNEP, founded in 1973, it collects and collates data of earth sciences and technology.
An acronym that stands for Great Explorations in Math and Science. This is a program at the Lawrence Hall of Science at the University of California at Berkeley for science educators. It includes professional development for educators around the United States of America as well as teacher guides in a variety of science topics.