www.irha-h2o.org

http://www.irha-h2o.org/ [Accessed: 28.11.2012]

The International Rainwater Harvesting Alliance (IRHA) was created in Geneva in November 2002 following recommendations formulated during the World Summit for Sustainable Development in Johannesburg two months earlier. The mandate calls for federation and unification of the disparate rainwater harvesting (RWH) movement around the world.