Following the release of the US documentary Gasland earlier this year, fracking has become an explosive topic. What is it and why the controversy?
We are now seeing a clash between food security, environmental risks and energy security in a low carbon world. There are no easy answers. Gas, so much cleaner than coal, could be providing a quarter of the world's energy within 20 years and Australia, with over 100 years' worth of coal seam gas ready to be piped to the surface, is in a great position. But coal seam gas is raising a real stink in Australia with concerns being raised by farmers and environmentalists.