What was actually achieved at COP26?

It’s been a month since Glasgow played host to the COP26 UN climate change summit – that ended of course, eventually, with an agreement.

But taking stock, what was actually achieved in those buildings across the River Clyde? Did the thousands of delegates meeting there manage to get the world further down the road to success.

Or was it, as Greta Thunberg dismissively claimed – nothing more than “blah blah blah”.