1970 Dennis hayes, the organizer of the world's first Earth Day, founded the Earth Day Network, a famous American environmentalist, and was known as the "Father of Earth Day". People once regarded this Earth Day activity initiated by him at 1970 as the beginning of modern environmental protection movement in the United States. He organized the first "Earth Day" in 1990, and 200 million people from 14 1 countries participated in this global celebration. Dennis hayes is also the Chairman and Executive Director of Bou Park Jung Su Foundation and the Chairman of the Presidium of Energy Foundation.