u.k. shell basin injecting forty seven billion dollars bob environmentalists will that fracking is dangerous polluting advocates say it makes energy more affordable creates jobs and cuts consumption of coal this could have a look at how it's started so we can see how the environmental issues come into a case of drilling. deep deep into these gas rock she more than a kilometer down into the grounds then we have the chemicals that come into it what is mixed with sand and water as well it's intense rays into these show gas intense pressure is what this does is it opens up these fishes and this is where the contamination comes into and how the water can be affected just that so. pollution as well concerns too that's how what now i spoke to right to call it from the world bank group she was here in moscow as well she was for a month she has had to discuss climate change in the environment so i also talk about the potential dangers. there's a lot that we don't know about the recent impacts of fracking and so on has to be properly understood and properly accounted for because resigning is a forcing