The Republican side of this “debate” loves playing dumb and refusing to actually learn about the how badly we have screwed our climate system and how far from historic norms it is destined to be driven.
Still we do have the answers, just need to look at history. Have an absolutely accurate finger on the pulse and speed of this transition, is chump change compared to the overall reality facing us. I know what’s the point of bringing it up anymore? We aren’t going to change anything and our current free fall will only get more dramatic. But so long as ba…;. like Mike Y. can spew his absolute insanity - will feel compelled to share the obvious.
Here’s another aspect of climate science is that too certain for comfort!
Last time earth had over 400 ppm
Climate Milestone: Earth’s CO2 Level Passes 400 ppm
Mar 29, 2019 — The last time the concentration of CO2 was as high as 400 ppm was probably in the Pliocene Epoch, between 2.6 and 5.3 million years ago. Until …The Last Time Earth had >400 ppm of Atmospheric CO2
The Pliocene: The Last Time Earth had >400 ppm of Atmospheric CO2 … The last time carbon dioxide was so plentiful in our planet’s atmosphere was in the Pliocene …How the World Passed a Carbon Threshold and Why It Matters
Jan 26, 2017 — The last time the planet had a concentration of 300 to 400 ppm of CO2 in the atmosphere was during the mid-Pliocene, 3 million years ago — …The Last Time CO2 Was This High, Humans Didn’t Exist
May 3, 2013 — As we near the record for the highest CO2 concentration in human history — 400 parts per million — climate scientists worry about where we were …What Earth was like last time CO2 levels were this high
Apr 20, 2021 — So what explains the high Pliocene CO2 levels (400 ppm) without a world of fuel-guzzling cars and coal-fired power plants? The answer lies in …Last time CO2 levels were this high - The Guardian…
Apr 3, 2019 — I call them the last forests of Antarctica. They were growing at 400ppm CO2, so this may be where we are going back to, with ice sheets melting …