Steep decline in male sperm count

How did this happen?

 I remember the common fertility crisis being pregnant AGAIN.
One reason may be this common herbicide. . .

http://www.i-sis.org.uk/Glyphosate_Roundup_and_Human_Male_Infertility.php

Steep decline in human male sperm count concomitant with rise in testicular germ cell cancer, congenital malformations of the male reproductive tract and drop in serum testosterone levels, all pointing towards increasing exposure to glyphosate/Roundup herbicides during the past decades, now corroborated by lab findings Dr Mae-Wan Ho