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Greenhouse produce not the greenest choice

tomato-cp-5009765.jpgPeople who choose local fruits and vegetable, grown in a greenhouse, may be suprised to learn about the environmental impact of that choice.

Daybreak spoke Maneule Margni, lead researcher for a group at L'ecole Polytechnique that compares the life cycle of products and food.

photo: Toby Talbot/Associated Press

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