Shale gas extraction | Global 3000

In the US, fracking has become an established technology for extracting shale gas. The process remains controversial and France has even banned it. But in the US, it's a booming industry. Our reporter Max Hofmann talked to proponents of the technology as well as those potentially at risk.
Find out more: www.dw.de/dw/episode/9798/0,,15728008,00.html