Discovered Pages
[Discover] Rainharvesting Systems - water conservation, recycling and reuse http://www.rainharvesting.co.uk/
(house recycle water green) 
[Discover] Rain Harvesting - http://www.rainharvesting.com/content/default.asp (rain drought store rainharvesting)
[Discover] Rainwater Harvesting | All about Rainwater or Roofwater Harvesting http://www.rainharvesting.com.au/rain_water_harvesting.asp (rainwater performance)