Rishi Sunak has been accused of a “vacuum of leadership”, as he arrives at the make-or-break Cop27 summit to a warning that climate breakdown is now close to being “irreversible”.
The prime minister’s claim to be “at the forefront” of global efforts to avert disaster was ridiculed after his initial refusal to attend the crucial conference – and with “a yawning chasm” between government promises and action.
