Cop26 has put the world on track to avoid catastrophic global heating, Boris Johnson has said, as he hailed the agreement thrashed out by delegates on Saturday evening. He acknowledged disappointment its limitations, but insisted it represented essential progress. ‘After Paris we were heading for 3C ,’ he said. ‘At Glasgow, we have turned that dial down to 2C. Of course that’s still far too high, but for all our disagreements, the world is undeniably heading in the right direction’