Dairies generate mountains of manure, and, in turn, huge amounts of methane—a potent greenhouse gas. So what could be a more elegant solution than burning the stuff off, and generating electricity in the process?
Not so fast. Turns out the technology behind extracting methane from manure isn’t all it’s cracked up to be, and the farmers who’ve invested heavily in methane digesters are getting badly burned. The Los Angeles Times has an excellent article all about it.