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Green Bubble or Green Opportunity?

Editor-in-Chief Amy Cosper talks about how going green can be a game-changer for all sectors.

This story appears in the April 2010 issue of Entrepreneur. Subscribe »

The amount of money flowing into alternative energy is mind-blowing. Last year, VCs dropped $4.9 billion into the sector. Add to that the $79 billion allocated by the federal government's stimulus plan and . well, you get the picture.

The problem is that the sector is flush with greenbacks and tax credits but shy on profit and margin. Whether it's solar, wind, biofuel or geothermal technology, the question looms: Is the business of sustainable energy a sustainable business?

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