One nation, two tribes: opposing visions of US climate role on show in Bonn

Donald Trump has pulled the US out of the Paris accord - but other Americans are standing with the world to help fight the 'existential crisis' of global warming

Deep schisms in the US over climate change are on show at the UN climate talks in Bonn - where two sharply different visions of America's role in addressing dangerous global warming have been put forward to the world.

Donald Trump's decision to pull the US out of the Paris climate agreement has created a vacuum into which dozens of state, city and business leaders have leapt, with the aim of convincing other countries at the international summit that the administration is out of kilter with the American people.