History Shorts: Earth Day's Environmental Origins

Environmental issues have long faced our planet, but what did it finally take to set aside a day just for Earth? Environmental issues have long faced our planet, but what did it finally take to set aside a day just for Earth?

History Shorts: Earth Day's Environmental Origins
Environmental issues have long faced our planet, but what did it finally take to set aside a day just for Earth? Environmental issues have long faced our planet, but what did it finally take to set aside a day just for Earth?