I was reading about this early this am on another site frequented by, well, Trump supporters and conservatives. The comments tell it all, jokes and total denials. My take is, many of these are the very people that scramble first into the life boats and toss everyone else out so they and theirs have a safe refuge.
As far as I’m concerned, we should’ve been putting BC into cereal, coffee, milk, more than 50 years ago (this is sarcasm obviously, but some sort of population control should have been enacted decades ago). ZPG or simply replace yourself, ie each couple - two children.
The planet fights back (course, this is all on us (plastics/pollution – namely, the industrial revolution)): https://www.gq.com/story/sperm-count-zero
People, this is not only reducing sperm counts, and will continue to do so, it is causing changes in anatomy. BTW, a generation is 22-33 years.
"A strange thing has happened to men over the past few decades: We’ve become increasingly infertile, so much so that within a generation we may lose the ability to reproduce entirely." …
“What you are seeing in a number of systems, other developmental systems, is that the sex differences are shrinking,” Swan told me. Men are producing less sperm. They’re also becoming less male."