CONTAMINANTES
UN Embarks on International Year of Freshwater 2003: Today, four out of every 10 people worldwide live in areas experiencing water scarcity. By 2025, as much as two thirds of the world’s population – an estimated 5.5 billion people - may be living in countries that face a water shortage. To address this crucial issue, the United Nations General Assembly has declared 2003 the International Year of Freshwater.