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Solar grand plans start answering basic questions

30 June 2008 | Market Watch: News From Around The Web | Source: miller-mccune.com

Solar is a great theoretical answer to climate concerns and energy independence. Although some nettlesome questions keep it from becoming a practical solution, skyrocketing oil makes some answers more palatable. Is the sky falling, or is that just sunshine hitting your head?

Some solar researchers are crying that we're in for real trouble as global warming meets rising energy demand and peak production of oil. They're also saying that, if we paid attention, we'd see what is really falling to Earth is a tremendous solar resource that, if harnessed, could serve most of the world's transportation and electricity needs.

But vital questions remain, even as $140-a-barrel oil makes the answers more attractive. Who pays for the stiff startup costs? Is the technology feasible on a large scale? Should all our eggs go in the solar basket? How much land must we turn over for solar arrays? Should big companies continue to power the nation, or should every householder run a generator on his or her roof?

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