In our world today, a scarcity of fossil fuels and drinking water is becoming increasingly evident. "Global warming" is now part of our everyday vocabulary. People are living longer with fewer young people to support them. Job creation has not kept pace with population growth. Because of technological developments, more and more people are jobless. Violence is our next-door neighbor, wherever we live. We are at war with our planet and with ourselves. The twenty-first century seems to be a century where haves and have-nots, young and old, and humans and the rest of the earth will have to find...