100.000 years ago ... 20 mil. tonnes of carbon 10.000 years ago ... 15 mil. tonnes of carbon 100 years ago ... 10 mil. tonnes of carbon now ... 3 mil. tonnes

100.000 years ago ... 20 mil. tonnes of carbon 10.000 years ago ... 15 mil. tonnes of carbon 100 years ago ... 10 mil. tonnes of carbon now ... 3 mil. tonnes of carbon https://ourworldindata.org/uploads/2021/04/Decline-of-wild-mammals-1536x1499.png https://ourworldindata.org/uploads/2021/04/Decline-of-wild-m... First 5 mil. tonnes took 90.000 year. Next 5 mil. 9.900 years. Next 7 mil. 100 years. 3 mil. remain, most of the megafauna is already gone. If we continue this trend, in 30 years there'll be only mice, mosquitos, and medusas. And farm animals, of course. We have to switch to plant-based diets. Now. There is no other way. No time to wait for technological breakthroughs.