If you imagine a cup of soda in the summertime with ice in it then notice how fast it gets hot once the ice melts all gone. At that moment the drink gets hot real quick. Earth is the same way. When all the glaciers and snow and Ice melts off during this century it will heat up very quick.
This is going to make Canada and Siberia very desirable property and also Antarctica very desirable.
At one point here on earth the average temperature at the north pole was 76 degrees Fahrenheit and it took one million years of ferns all over (an ancient plant) to bring the temperatures down to what we experienced in the 20th century over most of earth.
What we experience in the 20th century was never a constant because temperatures, rain etc. always fluctuate through various cycles here on earth. There is no one constant.
In some forms of cycles humans either can't survive at all or not very well which is likely why we lost space travel past our solar system more than once. This is not a planet where we can maintain easily technology for millions of years (unless we begin to design for these changes now).
Because I live in California I see how much worse fires are than they ever were before while I was growing up. This last fire in Santa Rosa Burned down 1500 busineses and homes. There was a bad fire in Oakland in the 1990s that burned down I believe 3000 homes and in San Diego when my son and his first wife lived there while going to college I believe they lost 1500 to 3000 homes in that area too then in the early 2000s.
So, losing 1500 to 3000 homes is becoming at least a once in a decade event and might become more common than that as temperatures and wind speeds increase in California which might cause more people to build with less wood and more cement and re-bar and metal as primary construction materials. So, even if they lose their possessions they won't have to rebuild their homes again, just replace windows that break from the heat of fires and replace possessions and that's all and replant plants outside and inside that burn.
Global warming and Global Climate change causes higher winds speeds in all situations. This is a constant geometric progression.
If you have a PHD in Climate science you also know then that seas increase in heat and land tends to cool during global warming.
The science of this is explained this way:
As white ice turns blue being a darker color closer to black that absorbs all light coming at it and heats up the fastest, the ocean takes on more and more heat and holds it there but this also causes evaporation to increase which makes more rain clouds as well. Also, this ever increasing heat in the oceans also causes increased wind speeds, increased evaporation more hurricanes and larger ones with higher and higher winds destroying more plants businesses and houses in tropical climates where hurricanes tend to form and be the most.
However, over land the clouds formed over oceans bringing rain tend to cool the lands more and over time in a fluke tend to create snow more because of the cooling lands not exposed to sun as much. So, over time lands tend to become covered with ice as in ice ages even while oceans grow warmer.
However, no one has explained to me to my satisfaction how this all works beyond this point so I still have many questions about what happens next.
For example, when lands become ice covered do oceans cool then or do the oceans tend to melt the ice? I think it might be sort of "What happens when an overwhelming force meets an immovable object?" In other words the hot oceans and the ice covered lands tend to counteract each other to some degree I would think. But, for example, during the "Nuclear Winter" after the Asteroid hit the gulf of Mexico the only really large dinosaurs that survived this are in the ocean or near the ocean like Crocodiles, Whales, Killer whales, Elephant Seals and Sea lions. It is thought by some that whales, Killer whales, Elephant seals and Sea lions once lived on land but had to retreat to the sea to survive and adapted there. So, there are theories that Elephant seals were once bears, Sea lions were once wolves etc.
I don't have a good enough explanation for this outcome beyond ice covering lands during global warming events at some point in the near or far future. In other words, between now and 10,000 years from now likely the U.S. and Canada will be ice covered down to about Mexico. And the same for Europe down to about the Mediterranean ocean. And the same for China down to south Korea and Thailand.
And also there is the mini-ice age scenario caused potentially by a Maunder Minimum with our sun that starts between now and 2030 and is expected. The results of which are not sure at this point either.
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