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The water supply of Paris was privatized in 1985 when a conservative mayor awarded two lease contracts, each covering one half of the city. In 2010, a socialist mayor remunicipalized the water system of the French capital. The water supply of Barcelona has been managed by a private company, Aguas de Barcelona, since 1867.
Water efficiency is the practice of reducing water consumption by measuring the amount of water required for a particular purpose and is proportionate to the amount of essential water used. [ 1 ] [ 2 ] Water efficiency differs from water conservation in that it focuses on reducing waste, not restricting use. [ 3 ]
Financing. Out of the $4.7 billion of investments in water supply and sanitation in sub-Saharan Africa, 70% is financed internally and only 30% is financed externally (2001-2005 average). Most of the internal financing is household self-finance ($2.1bn), which is primarily for on-site sanitation such as pit latrines.
In 2011, the United Nations' Joint Monitoring Programme for Water Supply and Sanitation estimated that only 55% of the Yemeni population had access to improved water source – including 40% from house connections and 15% from other improved water sources such as standpipes. Only 53% had access to improved sanitation.
The Cochabamba Water War, [ 2] also known as the Bolivian Water War, was a series of protests that took place in Cochabamba, Bolivia 's fourth largest city, between December 1999 and April 2000 in response to the privatization of the city's municipal water supply company SEMAPA. The wave of demonstrations and police violence was described as a ...
The total volume of water on Earth is estimated at 1.386 billion km 3 (333 million cubic miles), with 97.5% being salt water and 2.5% being freshwater. Of the freshwater, only 0.3% is in liquid form on the surface. [ 2][ 3][ 4] Because the oceans that cover roughly 70.8% of the area of Earth reflect blue light, Earth appears blue from space ...