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Egypt's Pyramid Construction Secret: Just Add Water

Date:
May 1, 2014
Source:
Newsy / Powered by NewsLook.com
Summary:
Dutch researchers say hauling giant blocks across the desert becomes much easier if you wet the sand first. Video provided by Newsy


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last updated on 2014-07-28 at 4:49 am EDT

Spain: The Battle Over Water

Spain: The Battle Over Water

Deutsche Welle (Aug. 21, 2013) — As a result of the economic crisis, many municipalities in Spain have sold their public water utilities to private companies. Now some local communities are finding out that the water supply networks are no longer being maintained properly and that water quality is on the decline. By the end of the year, about 60 percent of water utility management will be partly or entirely in private hands, making Spain the frontrunner in water privatization within Europe. Some experts are already calling it a "water bubble, and communities that are still trying to sell their water utilities are no longer able to obtain top prices. Now some communities are trying to regain public control over their water supply.
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Trouble Downstream: Ethiopia, Egypt and the Blue Nile

Trouble Downstream: Ethiopia, Egypt and the Blue Nile

Deutsche Welle (June 24, 2013) — Egypt is casting worried looks towards the south. Ethiopia is currently building the biggest dam in Africa on the Blue Nile River, close to the border with Sudan. The plan is to use the river's vast masses of water to create energy.That could cause water shortages further up the river in Egypt, but Ethiopia says it needs to use its resources to help economic growth and attract foreign investors.
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Climate in Bolivia: Water for La Paz

Climate in Bolivia: Water for La Paz

Deutsche Welle (Nov. 11, 2012) — The metropolitan area of La Paz is expected to grow to 8 million people in the coming twenty years. Water from the mountains is already barely sufficient to supply the Bolivian capital during dry seasons. Because of climate change, rainy seasons can no longer be reliably calculated. To ensure an adequate long-term supply of clean water for the region, which lies at an altitude of 4000 meters above sea level, water management around the six Andean glaciers has to be adjusted to suit the climatic changes.
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Ecology Versus Economic Use the Clean Water Quarrel

Ecology Versus Economic Use the Clean Water Quarrel

Deutsche Welle (Nov. 4, 2013) — Germany's Federal Environment Agency estimates that a quarter of all German groundwater contains excessive concentrations of nitrates - threatening some communities' water supply. The cause is over-fertilization of farmers' fields. Germany, Austria and Switzerland have been successfully joint-monitoring Lake Constance water quality for years. But authorities in Lower Saxony are only beginning to tackle the problem. Drinking water there often exceeds the EU norm of 50 milligrams of nitrates per liter.
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