Birth rates are declining because humans do not breed well in captivity.

some crazy people believe in climate change

Imagine treating a key ingredient in photosynthesis as a pollutant 🤯

I had a history professor many years ago, whose tests all ended with a big, complicated historical question, and a very short answer line. It was a freebie, if you had paid any attention to the man, but also a lesson. The answer was always:

‘Multiple Factors of Causation’

Scarcity and Malthusian mindsets are a huge factor.