Part 4 of the TED Radio Hour episode Repair, Repurpose, Reimagine. Each year, one cow can belch 220 pounds of the greenhouse gas methane. Animal scientist Ermias Kebreab experimented with ...

Chad Frischmann, vice president of the project, spoke about the group's plan at TED's New York offices ... next 30 years by reducing the amount of greenhouse gas in the atmosphere.