"They tasted pretty good, " the farmer said.

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It seems that, until recently, no one in the German government had heard of Walter Farmer's good deed.

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"So I had the idea to... set up an experiment to look at how these novel grasses could be good for not only production from a farmer's perspective but also reducing run-off, " he told BBC News.

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Will Allen, an urban farmer and MacArthur fellow, is the author with Charles Wilson of The Good Food Revolution , a new book published by Gotham.

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Rousseff, who took office early last year, has a plan to keep the good times rolling: incentivizing the kind of entrepreneur that Yang cultivates and that her farmer friend embodies.

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Lots of good examples, like up in Hernando, Mayor Chip Johnson is working to build more sidewalks and to bring weekly farmer's markets to town so folks in his town can be more active and eat better.

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