C cancel2 2022 Canceled Oct 15, 2019 #1 Bigdog said: During The Last Ice Age (190 ppm CO2), Horses Grazed In A Forested North Alaska 190 ppm ... that's closing in on plant life extinction levels (180 - 150 ppm). Which would mean the extinction of all life on the planet. Click to expand...
Bigdog said: During The Last Ice Age (190 ppm CO2), Horses Grazed In A Forested North Alaska 190 ppm ... that's closing in on plant life extinction levels (180 - 150 ppm). Which would mean the extinction of all life on the planet. Click to expand...
