When Climate Week kicks off on Sunday in New York City, it will mark the event’s biggest year yet – with organisers reporting a record number of companies participating and more events than ever to attend. Almost no one had expected this response in a year that has seen the event’s host country – and the world’s wealthiest – set to a climate-denying agenda of boosting fossil fuels, rolling back pollution regulation and defunding US science and climate action. Organisers of Climate Week even wondered, “Would people show up?” said Climate Group Chief Executive Officer Helen Clarkson. “Actually, there's huge enthusiasm for it," Clarkson said. Held alongside the UN General Assembly since 2009, this year’s Climate Week showcases more than...