Now that Summer has arrived in the Northern hemisphere it’s time to check the changes in global warming since COP26. It seems that the answer is: very little change, most of it negative. The promises I wrote about in April last year are still mostly promises. The level of CO₂ in the atmosphere continues to steadily rise. One new factor has altered the future for the worse: the war in Ukraine.

What follows is a sorry summary of recent events, their consequences and some opportunities.