March 31, 2011
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Water & Wastewater Newsletter March 31, 2011 |
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| This Week´s Featured News Stories |
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Water footprint of energy
As Japan’s nuclear power plant emergency has highlighted, water is needed in copious quantities to generate energy. To mark World Water Day, Sandra Postel (National Geographic) considers the huge water footprint of energy generation. According to USGS, thermal power plants (fuelled by coal, oil, natural gas or uranium) account for 49% of water withdrawn. We don’t think much about water when we flick on a light, power up our computer or open the fridge for a drink. But water has been consumed for almost every activity that uses | ||
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Is Canada doing enough to conserve water?
World Water Day took place this week, and public attention in Canada as in many other countries was for a time focused on what clearly is our most valuable natural resource. Canada has about nine per cent of the world`s water supply, according to Environment Canada, but only 0.5 per cent of the world`s population. One might interpret this to mean our supplies of fresh water are more than adequate to meet all our needs. In fact, although Canada has significant amounts of fresh water, we possess only ... |
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