Are we on the road to civilisation collapse?

Great civilisations are not murdered. Instead, they take their own lives.

So concluded the historian Arnold Toynbee in his 12-volume magnum opus A Study of History. It was an exploration of the rise and fall of 28 different civilisations.

He was right in some respects: civilisations are often responsible for their own decline. However, their self-destruction is usually assisted.  

The Roman Empire, for example, 

BBC 19 February 2019

https://www.bbc.com/future/article/20190218-are-we-on-the-road-to-civilisation-collapse