UK government chief scientist compares fracking risk to thalidomide.

Guardian: “Fracking carries potential risks on a par with those from thalidomide, tobacco and asbestos, warns a report produced by the government’s chief scientific adviser.”
The flagship annual report by the UK’s chief scientist, Mark Walport, argues that history holds many examples of innovations that were adopted hastily and later had serious negative environmental and health impacts.
The controversial technique, which involves pumping chemicals, sand and water at high pressure underground to fracture shale rock and release the gas within, has been strongly backed by the government with David Cameron saying the UK is “going all out for shale”.
But environmentalists fear that fracking could contaminate water supplies, bring heavy lorry traffic to rural areas, displace investment in renewable energy and accelerate global warming.
The chief scientific adviser’s report appears to echo those fears. “History presents plenty of examples of innovation trajectories that later proved to be problematic — for instance involving asbestos, benzene, thalidomide, dioxins, lead in petrol, tobacco, many pesticides, mercury, chlorine and endocrine-disrupting compounds…” it says.
“In all these and many other cases, delayed recognition of adverse effects incurred not only serious environmental or health impacts, but massive expense and reductions in competitiveness for firms and economies persisting in the wrong path.”
Thalidomide was one of the worst drug scandals in modern history, killing 80,000 babies and maiming 20,000 babies after it was taken by expectant mothers.
Fracking provides a potentially similar example today, the report warns: “… innovations reinforcing fossil fuel energy strategies — such as hydraulic fracturing — arguably offer a contemporary prospective example.”
The chapter, written by Prof Andrew Stirling of the University of Sussex, also argues that the UK and the world could tackle climate change with energy efficiency and renewable energy alone but vested interests in the fossil fuel industry stand in the way.
There is a “clear feasibility of strategies built entirely around energy efficiency and renewable energy”, the report, published earlier this month, says. “Yet one of the main obstacles to this lies in high-profile self-fulfilling assertions to the contrary, including by authoritative policy figures.”
“In energy… the obstacles to less-favoured strategies [such as energy efficiency and renewables] are typically more commercial, institutional and cultural than they are technical. Among the most potent of these political obstructions are claims from partisan interests — such as incumbent nuclear or fossil fuel industries — that there is no alternative to their favoured innovations and policies.”

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