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Wrigleys : Wrigley Pacific Sustainability Report 2010
26 PUTTING OUR PRINCIPLES INTO ACTION By far the largest portion of Australia is desert or semi-arid lands; 40 per cent of the continent is covered by sand dunes and rainfall is highly variable, with droughts frequently lasting several seasons. Water restrictions are common in many regions and cities in response to chronic water shortages. National water utilities have stated that water consumption must be more than halved by 2015 to prevent a dire water shortage. Their figures show that there will be a national shortfall of 275 gigalitres – about one half of Sydney Harbour – by 2015, and 818 gigalitres by 2030, due to declining rainfall and increased water consumption. stemming tHe tide oF rising Water costs Despite a relatively modest increase in water usage of four per cent year on year from 2007 to 2008, the cost of the Asquith factory’s on-site water supply increased a staggering 17 per cent in the same period due to utility rate increases. Do dry: Australia’s crippling water shortage or