Natural systems is mans attempt to create nature at its best in a self enclosed biosphere. It is my belief we can create something incredible if we will take the time to utilize what God has granted us using wisdom and knowledge. Links verified April 7, 2011

The Biolytix Waste Treatment System uses worms and other organisms to quickly recycle sewage, wastewater, sanitary items and food scraps into safe irrigation water.

Clivus Multrum Composting Toilets-Worldwide. Utilize greywater to provide nutrients for plants. Very well tested. Odor free.

GREYWATER IRRIGATION-Greywater is the wastewater generated in the bathroom, laundry and kitchen, and is therefore the components of wastewater, which have not originated from the toilet.

I Dep Foundation-Wastewater gardens. A unique perspective and approach to dealing with human waste.

Living Machines-I believe this method is the answer to the future of disposing of sewage.

Living River Initiative-Create a floating barge to clean up the river and provide a base for aquaculture?

Melissais the method of using micro-organisms to process human waste.

Ocean Arks Int-a global leader in the field of ecological water purification.

Re-Energy-This page speaks of biomass energy. CA.