|[[Image:UNEP logo.png|left|70px|link=http://www.unwater.org/downloads/Rainwater_Harvesting_090310b.pdf]] [http://www.unwater.org/downloads/Rainwater_Harvesting_090310b.pdf UNEP - United Nations Environment Programme]
|Rainwater harvesting: a lifeline for human well-being. PDF, 2009. Approx. 70 pages.
|-
|[[Image:USAID logo.png|left|70px|link=http://www.ird.org/uploads/IRD_RWH_Guide_10June13.pdf]] [http://www.ird.org/uploads/IRD_RWH_Guide_10June13.pdf USAID]
|Roof-Top Rainwater Harvesting Best Practices Guide: Design and construction plus community ownership and policies.
|-
|[[Image:CGIAR logo.png|left|70px|link=http://www.waternetonline.ihe.nl/challengeprogram/IR25%20Rainwater%20Harvesting.pdf]] [http://www.waternetonline.ihe.nl/challengeprogram/IR25%20Rainwater%20Harvesting.pdf CGIAR and WaterNet]
|Water Harvesting: Guidelines to Good Practice. Floodwater, macro & micro catchment, rooftop & courtyard harvesting.
|}
===<font size="3" color="#0c477b">'''NGOs, COMPANIES AND SERVICES'''</font>===