Sustainable Earth Exchange Link Information for Educators (SEELIFE) This site is a collection of "internet resources for persons studying
sustainable systems management." The site covers the following
subjects: agriculture, air, cities and communities, development,
economics, energy, fish, forests, minerals, population, species,
sustainability, technology, transportation, waste, water, wetlands,
and wilderness. Each subject provides links to bibliographies, data
and maps, education and research institutions, government and related
programs, organizations and nonprofit groups, and papers and reports.