* Recharging water involves the application of techniques for restoring groundwater levels through letting rainwater penetrate back into the ground.
* Retaining water involves storing rainwater to ensure that the water does not flow away, but is captured in the area and made available when needed.
* Re-using rainwater involves using and re-using reusing water for multiple purposes.
Learn more about 3R in the online booklet [http://www.bebuffered.com/ Be Buffered].<br>
Check out [http://www.nineyrainfoundation.org/showcase/rain-is-gain/rainwater-harvest.html Rain is Gain], the rainwater harvesting guide for sustainable water supply, and find an overview of different 3R techniques.<br>
Also have a look at the [http://akvopedia.org/wiki/Rainwater%20Harvesting Rainwater Harvesting Wiki].
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* It provides a practical tool to look more in-depth at the actual needs of the people. This way, it helps local governments and their technical staff to go beyond the simple importation of Northern waste management models, systems and technologies.
Learn more about the [http://www.nineyrainfoundation.org/showcase/rainpractitioners-guide-environmental-sustainability/downloads/tools_ISWMconcept.pdf Integrated Solid Waste Management model] of Dutch WASH Alliance partner [http://www.waste.nl/ WASTE].
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===Acknowledgements===
* RAIN. [http://rainfoundation.org/practitioners-guide-environmental-sustainability/ WASH and the Environment]. October 2014.
