This information you cite is great. It represents the best guess of what the climate was like based on fossil and geological evidence. Bravo!
However, it contains NOTHING that shows any rationality that would lead one to the conclusion that CO2 at these trace levels (400ppm = 0.04%) causes increased temperatures.
Currently, there is very little observable change in sea levels. The sea level may well rise. If it does, the only effect would be that people living in coastal dwellings and cities would need to move to higher ground.
SO WHAT? With a greener planet and more opportunity for life (based on increased photosynthesis), the benefits outweigh the drawbacks. Also, the increased sea surface will increase the ability of the ecosystem to regulate the CO2 given off by the increased life.
And still, NOTHING in what you say provides any rationality that would show CO2 causes warming. If the planet warms and the ice caps melt, then so be it: These TRACE LEVELS of Carbon Dioxide have nothing to do with it causing global warming. In fact, all of the evidence indicates the slightly increased CO2 we are observing is caused by a warming planet: increased bacteria activity and increased Sea Surface Temperature in some places (the oceans give off some of its stored Carbon as CO2 when it warms).
Still, no scientific rationality in what you say. There is a relationship between CO2 and global temperatures as I've illustrated with scientific facts. But you have it backwards, and you (and so many other people) are fixated on fear. Mankind can not control the temperature of the planet. The only thing we can do is adapt to our changing environment.
Not Game Over: Life is incredible and resilient. I wish I could be alive in another 1000 years to see the splendor that will evolve on our planet after the ice age is over!
Oh, and to put your fear that things are changing too fast to rest, the changes at the Antarctic are very gradual and go in cycles. In recent years, the ice shelf has regrown to about normal during it's cold season. This chart below is from fear mongers and still shows very stable and gradual changes happening.
View attachment 1016265
Now if a supervolcano erupts or we get hit with a major meteorite, or some other natural phenomena happens THEN things would change very fast. Overnight. These things have happened in the past, and very well could happen again. But the gradual changes taking place now are expected, normal, and indicate a very good future for life on Earth.
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