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Going Green with Energy!

Rhona Lewis

The world is scrambling to become less dependent on oil and trying to find alternative energy resources. You’ll find cars that run on batteries and converters that turn waves into electricity. The best energy resources are renewable resources — those that, unlike oil, never get depleted. For example, the wind always blows, rivers always run, and the core of the earth is always hot. Let’s look at some renewable energy resources.

Wednesday, November 07, 2012

energyWind Power

Wind power is becoming more and more popular. TheUnited Statesproduces 50,000 megawatts of electricity, enough to power 12 million homes annually. Interestingly, since 2011, theEmpireStateBuildinghas been totally wind-powered!

The most common turbine is the horizontal blade turbine, which is probably what you’re used to seeing. The blades of the turbine can be as long as 90 feet (27m), that’s about as long as two-and-a-half school buses.

One of the world’s largest land wind farms is the Roscoe Wind Complex. It has 627 wind turbines which stand on 100,000 acres of farmland in West Texas. The turbines generate enough electricity to power 230,000 homes. They range in size from about 350 to 415-ft (106 to 126-m) tall (as high as a 35 to 40 story skyscraper!). The turbines are spaced about 900 feet (274 meters) apart. You might think it’s pretty noisy with all the whooshing of the rotors, but in fact neighbors 

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