Why is the utilization and eventual colonization of space necessary both for the near-term preservation of Earth's environment and for the long-term survival of humankind? And why, despite the efforts of many dedicated space advocates, is the public so slow to support it? Science fiction author Sylvia Engdahl argues that in the light of history it's not surprising that acceptance of a new outlook on the universe is slow, since all past human advances were made by visionary minorities. The book … [Read more...] about From This Green Earth: Essays on Looking Outward by Sylvia Engdahl