I'd actually try going green in one of these - a composting toilet (http://www.letsgogreen.com/index.html http://www.letsgogreen.com/index.html) and plumbing th

I'd actually try going green in one of these - a composting toilet (http://www.letsgogreen.com/index.html http://www.letsgogreen.com/index.html) and plumbing that collects rainwater, then drains into a gray-water tank to be used on the gardens.