Word: powerized
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...quiz: what source of power doesn't come out of the ground, doesn't burn and isn't radioactive? Hint: it contributed the most new electricity generation to the U.S. grid...
...answer is wind power, the technology that has become synonymous with going green. Companies that started out small, like Denmark's Vestas and India's Suzlon Energy, have become multinational giants selling steel and fiberglass wind turbines; even blue chippers like General Electric have identified wind power as a major revenue source for the future, while the construction and installation of wind turbines will employ workers here in the U.S. Investing in wind power, said President Barack Obama at a turbine factory in Iowa on Earth Day, "is a win-win. It's good for the environment; it's great...
...green talk and growth in wind power - it accounted for 42% of all new electricity generation added to the U.S. grid last year - wind still makes up less than 3% of America's total electricity generation. Even at current rates of growth, that figure is unlikely to change soon. The question is, Will wind ever produce enough power to satisfy America's energy needs? (Watch TIME's video "The Truth About Wind Power...
...study in the Proceedings of the National Academy of Science (PNAS) says yes. A team led by Michael McElroy at Harvard University assessed the global capacity for wind power - the total amount of sheer energy that's being carried on the breeze - and found that current technology could harness enough power to supply more than 40 times the planet's present-day levels of electricity consumption. For the U.S., there's enough wind concentrated in the Midwest prairie states to supply as much as 16 times the current American demand for electricity. The energy is there, on the breeze...
...Even more problematic are the regime's overriding security preoccupations. Key power and telecom transmissions are buried underground, which complicates much needed maintenance and upgrades. More communications also means eroded state control, which is a vital regime concern. There are currently only a little more than 1 million domestic phone lines - about 5 per 100 inhabitants - although just 10% belong to individuals or households. Unauthorized international calls abroad can lead to fines and arrest and in one case reportedly led to the public execution of a plant manager in October 2007, according to Good Friends, a Seoul-based aid organization...