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UK transport secretary Chris Grayling says a new runway planned at London’s Heathrow Airport will not meaningfully increase carbon emissions, despite upping the number of flights. There’s only one explanation: Grayling’s favourite author must be Douglas Adams.

In sci-fi series The Hitchhiker’s Guide to the Galaxy, Adams creates something called the Somebody Else’s Problem (SEP) field, which enables people to simply ignore what they don’t want to see. Grayling isn’t alone in deploying one – internationally, the top current user is Australian prime minister Malcolm Turnbull, who signed up to the Paris Agreement on…