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Energy efficiency should be seen as ‘another fuel’

Energy efficiency could be the immediate solution to higher energy demand, while renewable energy sources were being considered for long-term energy sustainability, energy experts said on Wednesday. Global energy industry players attending the Power and Electricity World Africa conference in Johannesburg said South Africa should focus on energy efficiency as “another fuel” that can be […]

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A Guide to Terminology about Radiation Exposure

Sometimes it must seem as though reports on releases of radioactive materials from Japan’s Fukushima Daiichi nuclear powerplant in the wake of the devastating earthquake and tsunami are going out of their way to confuse people. Some reports talk about millisieverts while others talk about rem or becquerels, when what most people really want to […]

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FRACKING: Drink the Water at Your Own Risk

Fracking is currently used in 90 percent of the U.S.’s natural gas and oil wells. The practice makes drilling possible in areas that 10 to 20 years ago would not have been profitable. Fracking involves injecting water, sand, and a cocktail of chemicals at high pressure into rock formations thousands of feet below the surface. […]

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Billions of City Dwellers in Water Shortage by 2050?

Imagine living on less than a bathtub of water for all your daily needs: drinking, cooking, bathing, washing clothes…and everything else? By 2050, more than 1 billion city dwellers may be doing just that if we don’t build new infrastructure or begin new water conservation efforts, according to a new study by scientists at The […]

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South Africa saved 350 MW during Earth Hour

South Africans saved 350 MW – enough electricity to power the city of Bloemfontein – when they switched off their lights during Earth Hour this weekend, power utility Eskom said on Tuesday. As part of its support for the Earth Hour campaign, Eskom measured the reduction in electricity used during the hour against typical consumption […]

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Food vs. Fuel: The Debate Continues

University of Stellenbosch department of microbiology’s Professor Emile van Zyl says that the maize-for-biofuels debate has been checkmated. Grain South Africa market research senior economist Wessel Lemmer says, at present, no grains are used for biofuels and maize is still excluded from government’s biofuels policy. This, he believes, is a lost opportunity as South Africa […]

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Top 5 Eco Video Games

Video games have come a long way from the days of idly twiddling a joystick in an attempt to sneak some white pixels past a slowly moving line. These days, video games allow players to build economies and cities, pit one civilization against another, and manage intense simulations that rivel the best scientific models in […]

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Rainwater Harvesting – Why it’s so important

Severe Water Shortage Think the arid West [USA] has cornered the market on water shortages? Think again. Thirty-six states foresee water shortages by 2013, as Americans tap roughly 3.7 trillion gallons more water per year than is replenished. Worse yet, as much as 40 percent of a home’s potable water goes to yard maintenance. Think […]

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New Slimline™ Rainwater Tank from JoJo Tanks

Brand new from JoJo Tanks is a JoJo Slimline™ Tank. Perfect for rainwater harvesting and water security, this streamlined compact design is ideally suited for urban areas where space is a consideration. SIZE MATTERS The most common question faced when purchasing a water tank is by far, what size of water tank is needed? The […]

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