Why biomethane is not the solution to Britain’s gas supply issues | Letter

Dr Matilda Dunn highlights problems with the expansion of biogas production Chris Huhne is right to say that the UK faces a false choice between more North Sea drilling and greater reliance on imports of gas ( Letters, 21 April ). But presenting biomethane as a straightforward solution overlooks the serious environmental and health risks of its expansion. Biogas can reduce emissions when produced from waste. Yet a growing share of feedstock for anaerobic digestion comes from purpose-grown energy crops, increasing pressure on land, competing with food production and risking wider environmental harm. Continue reading...

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