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Growing Food With Fumes
John Vrieze has a machine called a digester on his dairy farm that's used to turn manure into energy (Photo by Todd Melby)
Big dairy farms produce more than just milk. They also generate manure. Lots and lots of it. That can be a problem for farmers and the environment. Todd Melby reports on a technology that reduces manure and generates electricity:
An article from the Boston Globe on digesters
Producer: Todd Melby
Release Date: July 13, 2009
Running Time: 3:27