The true cost of net zero

When Theresa May committed the government to achieving ‘net zero’ carbon emissions by 2050, Sir John Armitt, chair of the National Infrastructure Commission, likened it to President Kennedy’s 1961 promise to put a man on the moon by the end of the 1960s. How we would achieve net zero might not yet be clear, but a combination of ambition and ingenuity would somehow see us through.