A crisis in fertilizer chains of supply might finally get some serious reconsideration going for how nations deal with their sewerage, given that scientists have been saying for ages that it's being wasted. [OK, yes I know, a lot of solids have been put to use as fertilizer in Western countries, but it's been controversial, and I think the separate management of urine has been something proposed and trialled on a small scale very often, but never widely implemented anywhere.]
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