collapse of the old society

There's no mention of why this scientist thinks there's a "death sentence" for two thirds of humans, as opposed to the more common prediction that the consequences of climate change will be severe but not apocalyptic. On the contrary, the discussion of small island nations (whose plight is serious for themselves but almost inconsequential on a global scale) seems like something one might bring up if one didn't have more catastrophic consequences to talk about.

And then there's

This is not enough according to Dr. Brosnan, who gave a laundry list of steps the world could take to save the ozone layer.

Ozone layer? The Mirror is not a good newspaper.