"A climate change writer and a Greenpeace scientist are here to discuss an issue polarising the green movement. The UK government has given the green light to fracking for shale gas – a controversial practice of hydraulic fracturing – under strict conditions. Fracking is polarising many in the environmental movement. To help you understand what is at stake, climate change writer Mark Lynas and Greenpeace scientist David Santillo debate the pro and cons of the practice" (Quoted from article)