TWAD - Rainwater Harvesting (Popularity: ): Information on the history of water harvesting methodologies in Tamilnadu (India) and the modern methods adopted for rain water harvesting structures and advised by TWAD Board for both individuals and ... Rainwater Harvesting Network (Popularity: ): Public interest research and advocacy organisation encouraging sustainable development strategies. Guides to different methods for catching water where it falls, newsletter, case histories (primarily in India), and related information. Domestic roofwater harvesting. (Popularity: ): Domestic roofwater harvesting and research programme. Rain Water System Design Report (Popularity: ): Report on rain water system designs for the new environmental science and engineering building at the University of Waterloo, Canada. Drinking Rain Water (Popularity: ): Ask a scientist: why can't I drink rain water? Austin Greenbuilder Program (Popularity: ): Rainwater harvesting section of sustainable building sourcebook describes the potential for collecting and using rainwater as a water supply. Case study: Rainwater Harvesting (Popularity: ): Case study of Anita and Eimar's rainwater house. Water Harvesting (Popularity: ): A case study is given to understand the basic process of collection and use of rainwater. NSCC - rainwater harvesting information (Popularity: ): Rainwater harvesting and application (Newzealand based). UK Rainwater Harvesting Association (UKRHA) (Popularity: ): News, rainwater harvesting FAQ, information for prospective members, goals and mission statement. Technologies for water harvesting and soil moisture conservation in small watersheds for small-scale irrigation, R.K. Sivanappan (Popularity: ): Includes details of the concept, planning and constructional methods, examples.