> The Thwaites glacier is 74,000 square miles, roughly the size of the UK. > Its collapse would raise global sea levels by more than half a metre on its own I

> The Thwaites glacier is 74,000 square miles, roughly the size of the UK. > Its collapse would raise global sea levels by more than half a metre on its own Its size alone is staggering. I'd be interested to find out the scale of the changes we would need to enact to stop it `teetering` over the edge.