Barracuda2020 wrote:
What par of 1800-1870, was about 290 ppm (parts per million)As of December 2019, CO2 in the global atmosphere averaged just over 411 ppm.
In 2019, the index rose to a value of 1.45, meaning that the heat trapped in the atmosphere that is primarily attributable to human activity has risen 45 percent since 1990.
These are facts, numbers, not opinions, not emotional, not conjecture, just the facts.
When dino's roamed the earth, it was right at 2000 ppm, and that for many millions of years; the natural state of the planet for most of its life sustaining, oxygen atmosphere time.