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Greg Hanscom at Grist: This old house: Why fixing up old homes is greener than building new ones

A study released Tuesday finds that in almost every instance, remodeling an old building is greener than building a new one. Beyond that, it shows that reusing old buildings provides immediate results in the fight against climate change, while a relatively energy efficient new building won’t pay climate dividends for decades.

Taken to the scale of the city, the study has some fascinating implications. Cities, it turns out, serve as a sort of carbon sink — the existing buildings hold a tremendous amount of “embodied energy.” Conserving that energy by sparing these buildings from the wrecking ball does a lot of good for the planet, too.

(Source: se-smith)