En route to greener life? You'll need a map

Carbon footprints not easily gauged

By Carolyn Y. Johnson

Globe Staff / March 18, 2009

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In a warming world, just strolling down a grocery store aisle brings people face to face with dozens of carbon conundrums. Is filling your basket with only locally produced food the best way to shrink your dinner's carbon footprint? (Not always.) Is microwaving dinner better for the climate than baking? (Usually.) (Full article: 873 words)