Fracking Goes Global

(Earth Focus: Episode 52) U.S. domestic gas production is up due to fracking, a controversial way of getting natural gas from shale rock by pumping millions of gallons of water mixed with sand and chemicals underground at high pressure. Environmentalists say the gas boon threatens water supplies and pollutes air. Fracking is going global and so is resistance to it. Jeff Barbee and Andrew Wasely reports from the new fracking frontlines: South Africa; Poland, and the UK.