Ann Pettifor is used to her views being strongly opposed, at first. The economist and proponent of a radical Green New Deal to reshape not just the carbon-producing economy but the international flow of capital, does not blink in the face of conflict.

Take her work leading the Jubilee 2000 campaign for debt forgiveness, which resulted in the cancellation of more than $100bn-worth of emerging market debt — helped along by the likes of the pope, Bono and a reluctant (and sweary) Bob Geldof.