Tony Blair somehow expectedly does the Gerhard Schröder (what's his Gazprom though?). 
Particularly infuriating: His claim that UN and COP didn't deliver.
No, Tony, they describe problem and path to solution. Politics needs to deliver. Remind me what job you had that people know you for? Ah, right, PM of the UK. So ask yourself: Did you deliver?
https://www.bbc.com/news/articles/cpvrwyp0jx3o