Gwynne Dyer asks if we should worry about falling sperm counts and concludes:
If this decline in sperm counts is caused by environmental factors, then it can almost certainly be reversed eventually by doing enough research and then eliminating those factors. In the meantime, however, we are passing through the astounding total of seven billion humans beings, on our way to nine or 10 billion.
That’s far too many for this finite planet, and a rapid decline in the birth rate, even to below replacement level, would be a good thing.
But if there is a population problem, and that is debatable, is it one of number or distribution?
Birth rates in few if any first world countries are high enough for replacement let alone growth.
Hat tip: Tracey who left the link in Sunday’s Open Mic post.