Archive for May 23, 2009

Facts and figures about urban water

During the 20th century, the world’s urban population increased more than tenfold, while rural population increased but twofold.

Today, half of the world’s population lives in urban centres, compared to less than 15% in 1900.

Human population growth and the expansion of economic activities are collectively placing huge demands on coastal and freshwater ecosystems. Water withdrawals, for instance, have increased sixfold since the 1900s, which is twice the rate of population growth.

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In 1900, ‘million cities’ (cities with more than one million inhabitants) were unusual and cities with over 10 million unknown; by 2000, there were 387 million cities and 18 with more than 10 million inhabitants.

In most urban areas in low- and middle-income countries, between 25% and 50% of the population lacks provision for water and sanitation of a quality that greatly reduces the risk of human contamination with faecal-oral pathogens.
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Facts and figures on water as a human right

The right to water is already recognized in several legal or political instruments. It guarantees access to water, without discrimination, in a permanent and sustainable manner – and at a socially and economically acceptable cost. It also addresses the issues of subsidiarity, solidarity, and cooperation.

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Increasing recognition is accorded to the right to water, in terms of a human right to a supply of safe water, the role of water rights in helping to deal with local competition for water and in dealing with social, economic and environmental problems.
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