OPINION - Sadiq Khan: Why I told the Pope's climate summit we must double down, not back down
It’s an honour to have been invited by the Pope to speak at an important climate summit at the Vatican. Following my recent re-election in London, I go with a clear message for other city leaders — this is not the time to back down, but to double down.
The incontrovertible truth is that our species is waging a war on the natural world, one that will ultimately lead to our ruin. Our
