30th Anniversary of Earth Day Guests: Denis Hayes Author, The Official Earth Day Guide to Planet Repair (Island Press, 2000) Chairman and CEO Earth Day Network President Bullitt Foundation Seattle, Washington Mark Hertsgaard Author, Earth Odyssey: Around the World in Search of Our Environmental Future (Broadway Books, 2000) Political Observer, NPR's Living On Earth San Francisco, California Brian Staszenski Executive Director Tomorrow Foundation for a Sustainable Future Founder Destination Conservation Edmonton, Alberta Tomorrow (Saturday) is the 30th anniversary of Earth Day. Has increased environmental awareness led to a healthier planet? A new poll says most Americans support the green movement, but they're not active environmentalists and environmental issues aren't a top political priority. In this hour, we'll take a look at thirty years of Earth Days. Plus, making schools more energy-efficient while teaching kids to conserve.