Declared one of three wetlands of global importance by Unesco in 1971, the Everglades is also the source of drinking water for approximately five million people in south Florida.
Of greatest concern initially, the Keystone XL pipeline was designed to run through Nebraska's Sandhills, which lie above the Ogallala Aquifer, the main source of drinking water and irrigation for millions of people.
Aid organizations inside Zimbabwe warn that the contagious disease is spreading fast since raw sewage from burst pipes near the capital, Harare, flowed into wells, rivers and streams, the only source of drinking water for many Zimbabweans.
If manufacturing companies had avoided the urge to increase their profits by taking short cuts that led them to spew harmful chemicals into the air or dump toxic byproducts into the waterways that serve as the source of our drinking water, President Richard Nixon, a Republican, would never have been inspired to sign the executive order ratified by Congress that created the Environmental Protection Agency.
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To put that figure in context, Iannelli says that the energy required to pump freshwater from underground (which, he says, is the most common source of drinking water in the West) typically produces just over 1.5 tonnes of CO2 per million gallons.
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Mr. DEREK SCHEER (Clean Wisconsin): Because it's such a large portion of the world's freshwater and it is a thirsty world, there is more and more concern that folks will be coming after the Great Lakes as a source of drinking water outside of the Great Lakes basin.
As for the Yamuna river, long the main source of the city's drinking water, it is clinically dead.
The specter of dead pigs fouling a crucial source of drinking water also highlighted the parallel issue of food safety.
Groundwater is the source for nearly half of all drinking water in the world and around 43% of all water effectively consumed in irrigation.
In a statement, the Shanghai municipal government said that the water in Huangpu River, which is a major source of drinking water for Shanghai, was safe.
One of his neighbours, Muhammad Idris, complains that cow carcasses are poisoning the river that is their main source of drinking water.
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Returning the Golan to Syria is not a popular concept in Israel, she says, as it provides the country with its largest source of drinking water and is home to successful wineries and popular tourist sites.
However, 800 millions of persons over the world do not have access to a source of safe drinking water.
Purves is very concerned about the glaciers in the Himalayan mountains that are the main source of water for irrigation and drinking in China and India, well over 2 billion people.
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"Using these plants, we will be able to remove radioactive nuclides from the water and make it clean for irrigation purposes or even as a source of drinking water, " says Slavik Dushenkov of Phytotech.
Paget says Belu -- derived from the word blue and the Italian word for beautiful, "bella" -- takes a three-pronged approach to its clean water projects, by not only providing a clean water source for drinking but water for washing hands and education about the importance of hygiene.
The nearby Sikalima stream is another cause of friction between the Chinese-run mine and the cattle-herding community in the area, who rely on it as a source of drinking water.
As regards human consumption, the main source of demand comes from urban communities requiring water for drinking, sanitation and drainage.
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