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Sky WindPower Corporation
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Flying Electric Generators and Other Tethered Methods"
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"Flying Electric Generators and Other Tethered Methods"
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WorldChanging: Tools, Models and Ideas for Building a Bright Green Future: It's a Bird, It's a Plane, It's Airborne Wind Power
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1% of the jetstream's wind power could supply all US electrical demand. Also, one of the main complaints about wind power is its intermittency--the wind doesn't blow all the time, and so (according to Sky Windpower), most wind farms are only operating at their peak capacity 19-35% of the time. The wind is much steadier at altitude, so you get even more advantage over ground-based wind power. A final advantage is ad-hoc generation: devices with a reasonably simple tether-system do not have to be permanently installed in one place, they could be trucked out to any location that needed them.
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biggest lightning rod you've ever seen.
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Production Tax Credit for Renewable Energy
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Combined with a growing number of states that have adopted renewable electricity standards, the PTC has been a major driver of wind power development over the past six years. Unfortunately, the "on-again/off-again" status that has historically been associated with the PTC contributes to a boom-bust cycle of development that plagues the wind industry (see Figure below).
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Street Farmer - NYTimes.com
aquaponics, vacant lot and greenhouse groceries, milwaukee, SEJ tour
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Like others in the so-called good-food movement, Allen, who is 60, asserts that our industrial food system is depleting soil, poisoning water, gobbling fossil fuels and stuffing us with bad calories. Like others, he advocates eating locally grown food. But to Allen, local doesn’t mean a rolling pasture or even a suburban garden: it means 14 greenhouses crammed onto two acres in a working-class neighborhood on Milwaukee’s northwest side, less than half a mile from the city’s largest public-housing project
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Today Allen is the go-to expert on urban farming, and there is a hunger for his knowledge. When I visited Growing Power, Allen was conducting a two-day workshop for 40 people: each paid $325 to learn worm composting, aquaponics construction and other farm skills. “We need 50 million more people growing food,” Allen told them, “on porches, in pots, in side yards.” The reasons are simple: as oil prices rise, cities expand and housing developments replace farmland, the ability to grow more food in less space becomes ever more important. As Allen can’t help reminding us, with a mischievous smile, “Chicago has 77,000 vacant lots.”
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