The Guardian view on climate change: Trump spells disaster | Editorial

Delegates have gathered in Marrakech to celebrate ratification of the Paris deal on climate change. But the US elections risk turning it into a wakeReaching a global agreement on climate change took more than 20 years of tortuous negotiations. Signed just under a year ago, the insufficient but workable Paris agreement at last constructed a legally binding framework for the principle of cutting carbon emissions. It was to be the foundation of a sustained ratcheting up of ambition that would hold