Yes, but enough about the UK
1) https://www.theguardian.com/environment/2020/sep/17/rivers-i...
Failed tests is nowhere close to “so much shit nothing can survive”.
Goes to show how out of touch that metric is.
Source? If you're talking about semi-modern countries like India or China specifically it makes sense because they are torn between very poor and very rich areas, both having access to some level of industrial capitalist comforts (eg. people in slums have cell phones and industry-produced clothing).
But, the matter central to this question is that these "developing" countries are in fact the ones producing all the shit we use in the "developed" countries. Production has been outsourced there not only for price of work, but also with the clear conscience that it would reduce pollution in the global north. [0]
> When your entire population shits into the main river that does a pretty good job of killing biodiversity
Yet that's not the only solution. Poop makes for very good compost.
[0] Industry pollution is a well-known problem on a big scale since at least the 19th century, when English/French cities (or at least their popular districts) were filled with acid and lead and other industry byproducts killing the population very fast.
I’d expect the opposite.
When your entire population shits into the main river that does a pretty good job of killing biodiversity even with minimal industrialization.