President Trump's announcement a year ago that he was withdrawing the US from the Paris climate agreement may have been the best and worst thing that could have happened to the deal, at the same time.
"The most important piece of good news, and it wasn't a foregone conclusion, is that other countries have stayed in and doubled down on their general determination not to walk away, not to let the US 'cancel' the agreement," said former US climate envoy Todd Stern, speaking at a meeting organised by the World Resources Institute in Washington this week.
ref: https://www.bbc.co.uk/news/science-environment-44330709