21 Jun '11, 5pm

Ed Glaeser: Locally grown produce can shove it: via @grist

Ed Glaeser, everyone's favorite urban economist, loves density and (he says) local, seasonal oysters. But he also says that, as a rule, locally grown produce can shove it , because in all cases density > any other public policy goal. Glaeser argues that urban farms will lead to less dense cities, which will increase the world's carbon emissions. Here's his math: Today, about 250 million Americans live on the 60 million acres of this country that are urban — which is about four people per acre. By contrast, America uses 442 million acres for cropland and 587 million acres for pastureland, which is about 1.4 and 1.9 acres per person respectively. If we allocated just 7.2 percent of this agricultural land into metropolitan area, we would halve metropolitan area densities. But luckily for all of us who like locally sourced food besides oysters, Glaeser's argument doesn't stand...

Full article: http://www.grist.org/list/2011-06-21-ed-glaeser-locally-g...

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