Water losses in Gauteng municipalities and many other towns and cities around South Africa should be spurring homeowners and businesses to invest in water conservation measures such as rainwater harvesting tanks. Rain water tanks can collect significant amounts of rainwater that could become critical emergency water supplies when municipal water shortages arise. Gauteng municipalities collectively […]
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Water and Environmental Affairs Minister Edna Molewa has marked National Water Week by unveiling the Komati Water Scheme Augmentation Project (KWSAP), which has been designed to resolve the water supply problems to Eskom’s Duvha and Matla power stations in Mpumalanga.
Durban – Msunduzi Municipality wastes 63% of its water, among the worst figures in the country, according to a Water Research Commission (WRC) report released recently. Nearly 40% of South Africa’s tap water, worth about R7bn, is lost annually through leaks or theft, according to the report. Poor management, and sloppy record keeping are other […]
While solar energy was currently cheaper than energy derived from diesel plants and generators that were often used as a substitute to conventional coal-fired power, it remained more expensive than coal-fired electricity generation. “This scenario is set to change,” said energy management consultancy firm PPA Energy South Africa executive director Graeme Chown.
Nearly 50 percent of tap water is being stolen, wasted or simply leaking away every year in South Africa, the 30th driest country in the world. Record-keeping and water-metering is so shoddy that some municipalities don’t even know how much water they are using, according to a new report commissioned by the Water Research Commission.
The U.S. has recently experienced the worst drought in decades, yet each year an estimated 1.7 trillion gallons of water leaks from pipes before it can be put to use. And according to the United Nations, currently 41% of the world’s population lives in a water stressed area. Despite the dramatic need for investment in […]
MIT engineers have created a new polymer film that can generate electricity by drawing on a ubiquitous source: water vapour. The new material changes its shape after absorbing tiny amounts of evaporated water, allowing it to repeatedly curl up and down. Harnessing this continuous motion could drive robotic limbs or generate enough electricity to power […]
Washington: Warmer weather and a growing population may in a few decades cause a water shortage for 40 million people who depend on the Colorado river in the US, researchers say. Climate modellers at the Columbia university’s Lamont-Doherty Earth Observatory predict a 10 percent drop in the Colorado river’s flow over the next few decades.
Water is made up of 2 hydrogen atoms and 1 oxygen atom (H2O). When these H2Os join together they form water. When water falls on the earth’s surface from the clouds, many substances dissolve in the water, eg. silt, minerals, bacteria, etc., just like a train picking up passengers. Water is the train that moves […]
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