Treadle pumps funded Cumulative pumping capacity of pumps funded (m 2007 27,922 144m 2008 57,631 440m 2009 53,052 713m 2010 10,482 767m 1 The Pacific Institute defines ‘peak ecological water’ as being a state in which ‘humans use more water than the ecosystem can sustain without significant deterioration and degradation’, www.worldwater.org/ data20082009/ch01.pdf 2 In November 2002, the United Nations Committee on Economic, Social and Cultural Rights affirmed that access to adequate amounts of clean water for personal and domestic uses is a fundamental human right of all people.