Recycling Waste Water:

Purifying waste water with plant technology: book Growing Clean Water, author: B. C. Wolverton  

Purifying water with Pond Sand Filter Systems
http://www.asia-arsenic.net/dhaka/posand-e.htm

Gray Water Recycling:

Book: Builder's Greywater Guide, author: Art Ludwig  http://www.abebooks.com

Recycling Heat from Waste Water for heating and cooling buildings: http://www.demarcoenergy.com

No Flush Composting Toilet Systems:

Solar Water Purification:

Recycling and Purifying Indoor Air by utilizing plant technology (reducing heating and cooling costs):

Book: How To Grow Fresh Air, Author: B. C. Wolverton  

Solar Tube Indoor Daylighting for growing plants indoors (reducing heatingand cooling costs):

Rainwater Harvesting (collection):

Book: Rainwater Harvesting, author: Arnold Pacey & Adrian Cullis http://www.permaculture.co.uk/erc/erc13b.html#RH1

Book: Rainwater Catchment Systems for Domestic Supply, author: Erik Nissen Petersen http://www.permaculture.co.uk/erc/erc13b.html#RCS

Book: Water Storage: Tanks, Cisterns, author: by Art Ludwig http://www.abebooks.com

Fog Water Harvesting (collection):

Book: Last Oasis: Facing Water Scarcity, author: Sandra Postel http://www.worldwatch.org

Book: Water for every Farm, author: P. Yeomans  http://www.acresusa.com

Book: Gardening Without Water, author: Charlotte Green  

Roof top Gardening and Farming and storm water abatement (Recycling storm water)

Saving energy costs by reducing heating and cooling costs and heat island mitigation:

Recycling storm water (heat island mitigation, cleaning and filtering storm water)

Porous concrete vehicle parking areas and green parking lots

Purifying and Recycling Polluted Soil with plants (phytoextraction of lead, arsenic and uranium from soil): http://www.edenspace.com

Recycling Glass:

Reduce air conditioning cost 20% to 40%. Paint your house and roof white, which reflects infra red sunlight  

Insulating house paint - reduce heating and cooling costs and energy use: http://www.insuladd.com

Recycling Straw - Create furniture and houses from straw waste

Training for: buiding straw bale buildings  http://www.solarliving.org

Book: Building With Straw Bales, author: Barbara Jones http://www.lowimpact.org/booksstrawbale.htm

Renewable Energy: http://italy.indymedia.org/news/2005/10/903470.php

Disaster Relief-Eliminating Famines-Solar Energy