The United Nations’ Intergovernmental Panel on Climate Change published a report earlier this morning which contains a remarkable insight. Ottmar Edenhofer, head of the IPCC working group, told a press conference that shale gas might work as a bridge between fossil fuel dependence and renewable energy. (The report also mentions carbon capture and storage, nuclear and biofuels alongside shale as alternative energy sources.)
The IPCC is not endorsing shale or rejecting renewable energy, far from it; but it is saying that shale could be a short term measure in the long-term battle against climate change. Edenhofer’s statement effectively concedes that renewables are not yet sufficiently developed or cheap to meet our energy needs, and recognises that shale is a comparatively clean form of energy – at least next to coal. The concession exemplifies the change in the IPCC’s thinking of late – as described in these pages by Matt
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