*** www.nps.gov/teachers ~ This National Park Service site offers “distance learning, field trips, and curricular materials,” plus professional development opportunities for teachers” and says, “The parks are America’s greatest classroom. …”
*** http://kids.earth.nasa.gov ~ This NASA site teaches kids all about earth science: people, land, waters, air, and natural hazards, too.
*** www.epa.gov/recyclecity ~ This EPA site teaches about waste reduction, using less energy, and saving money “by doing simple things at home, at work, and in their neighborhoods.”