Nicholas Stern: ministers must pass 'Trump test' at Bonn climate talks

Leading climate economist says world leaders must move forward without the US on crucial issues in the closing days of the UN summit

Ministers from governments around the world meeting in Bonn for the final days of the UN climate talks must prove they can pass "the Trump test" by moving on without the US on issues crucial to combating global warming, a leading climate economist has said.

"It's about getting on with it," Lord Nicholas Stern told the Guardian. "They have to get on with it. But there are good signs."