Carbon: The Biochar Solution

Jeff Hutchens / Reportage by Getty for TIME

On his farm in the hills of west virginia, Josh Frye isn't raising chickens just for meat. He is also raising them for their manure. Through a process that some scientists tout as a solution to climate change, food shortages and the energy crisis, Frye is transforming the waste into a charcoal-like substance called biochar that in the long run could be far better for the world than chicken nuggets. "It might look like this is just a poultry farm," says Frye. "But it's a char farm too."

Burn almost any kind of organic material — corn husks,...

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