We have the power! 
Sun, wind, water, rain harvesting, waste:  Harness these elements and we can stop supporting foreign oil, stop damaging our planet, quit depleting our natural resources, and stabilize our impact on the world's climate.  How?  Trade one conventional toilet for one dual-flush toilet.  It's not expensive and it is effective.  Want more information on what others are doing? 
http://www.amazon.com/Living-Homes-Sustainable-Architecture-Design/dp/0811862852/ref=sr_1_1?ie=UTF8&s=books&qid=1236007103&sr=1-1