The shine seems to have come off the UN's annual conference, with one leader calling it a "total waste of time".

as is China’s president Xi Jinping. COP26 president, Sir Alok Sharma, told BBC Radio 4’s Today programme: “I think it is disappointing that we don’t have more world leaders coming to this ...

President Xi Jinping made the announcement in his address at the United ... delighted to hear that President Xi has made this ...