It took some oblique wording, but Saudi Arabia made a last-minute decision to sign deal that marks departure for Cop

Dawn was breaking over the Amazonian city of Belém on Saturday morning, but in the windowless conference room it could have been day or night. They had been stuck there for more than 12 hours, dozens of ministers representing 17 groups of countries, from the poorest on the planet to the richest, urged by the Brazilian hosts to accept a settlement cooked up the day before.

Tempers were short, the air thick as the sweaty and exhausted delegates faced up to reality: there would not be a deal here in Brazil. The 30th UN climate conference would end in abject failure.

Trump puts US in unflattering company as lack of representative reveals disdain for climate progress

More than two decades ago, the US railed against the “axis of evil”. Now, after international climate talks spluttered to a meagre conclusion, the US finds itself grouped with unflattering company – an “axis of obstruction” that has stymied progress on the climate crisis.

Donald Trump’s administration opted to not send anyone to the UN climate summit in Brazil that culminated over the weekend – a first for the US in 30 years of these annual gatherings and another representation of the president’s disdain for the climate crisis, which he has called a “hoax” and a “con job.”