Sperm count declines as the body gets warmer. In the regions mentioned in the news article, the climate change is probably causing a rise in body temperature. Moreover, unhealthy eating habits and worldwide stress levels have also gone up, probably causing decline in testosterone levels. Obesity is one such condition that causes decline in testosterone levels and ultimately decline in sperm count.
I play the Wordle every single day early in the morning while sipping my coffee. It gets me thinking. At the end it shows our stats. That itself is enough for me- I know where I stand on that particular day. It's actually fun playing it and it motivates you to think!