"CO₂ is at 400 PPM! We're all gonna die!"
No we're not. Our era is an era of extremely low CO₂. For most of Earth's existence it's been much higher; mammals thrived nonetheless, leading to our ancestors evolving into us.
!["CO₂ is at 400 PPM! We're all gonna die!" "CO₂ is at 400 PPM! We're all gonna die!"](https://es.rudd-o.com/en/archives/co2-is-at-400-ppm-were-all-gonna-die/@@images/image-800-f8a8045cb77f7a52e5bdb68671c09e59.jpeg)
No we're not. Our era is an era of extremely low CO₂. For most of Earth's existence it's been much higher; mammals thrived nonetheless, leading to our ancestors evolving into us.