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The Secret to Cheaper, Greener Local Beer

A Minnesota microbrewery has a secret ingredient that makes beer cheaper, cleaner, and more local.

Brewing beer is, in theory, fairly simple. A small farmer can grow all the barley and the hops needed on a little plot of land—it’s easier to grow than corn. And a microbrewery can pump out a few humble barrels of finished beer in anything from a spare room to sprawling warehouse.

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Clean Burn: Can a Stove Save Lives, Forests, and Africa's Economy?

One company's ambitious plan to change the energy economy of sub-Saharan Africa, saving lives and the environment.

Preparing food can be dangerous. The World Health Organization calls cooking "a threat to the lives of the great majority" of the world's population because so few households have a proper stove, instead cooking indoors over open flame. In sub-Saharan Africa, preparing a meal is too often a slow, dirty process that fills the home with smoke equivalent to puffing two packs of cigarettes a day.

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