Study says green economy would need many workers in U.S.

The movement to a green economy could mean a huge gain for some job categories, according to a study released Tuesday by the University of Massachusetts.

Construction people for building retrofitting, engineers and transportation people for mass transit, welders and many others for energy efficient cars, steel workers for wind power, a variety of assemblers for solar power -- all could benefit from the move to green.

''We do not attempt here to estimate how much growth there is likely to be in any area of green investments or green jobs in the United States,'' wrote co-authors Robert Pollin and Jeannette Wicks-Lim. ``Our aim is much more modest: to simply provide a snapshot of some of the key industries and occupations that will experience increasing growth through green investments.''

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