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Diary

Matt Ridley’s diary: Why a Guardian contributor wants me beheaded

Plus: The merits of coal, the fortunes of Northumberland and a mallard ménage a trois

30 May 2015

9:00 AM

30 May 2015

9:00 AM

Martin Williams, former head of the government’s air quality science unit, has declared that the reason we have a problem with air pollution now is that ‘policy has been focused on climate change, and reducing CO2 emissions, to the exclusion of much else, for most of the past two decades.

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Matt Ridley’s books include Genome and The Rational Optimist.


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