What was our planet like before the advent of our modern civilization? What effects has our civilization had on the planet and its ecological systems? "Paradise Regained" discusses these questions and then creates a scenario for the re-greening of Earth. The authors introduce new and innovative ideas on how humankind might use the resources of the solar system for terrestrial benefit. Earth would then become a place for a technologically advanced human civilization to live in synchronization, if not in harmony, with the environment which gave us birth. Since the formation of our sola