Maybe 2 degrees warmer makes things better. Who are they to arbitrarily decide what is optimum?
The epochs in the past the earth were significantly warmer. That is when the entire earth was covered with plant life. Those big trees that collected in the Petrified Forrest are prime examples.
They told us when I was in the first grade that the earth just now came out of an ice age. It will get warmer and then start to cool toward the next ice age. Those blokes didn't tell me that it would perform the entire cycle in my lifetime. ;-D
The other ignored fact - it was warmer as a whole until the Himalayas disrupted the east-west air flow around 40 million years ago, leading to 10,000-15,000 year warm periods followed by 75-85,000 year cold periods. Antarctica acting as a massive freeze sink added to the cooling effect.
So we need to be warmer to get to the warm world where the dinosaurs were running around, where there was no ice at the poles.
Correct. Based on thousands of years of data it is clear that the earth has been both warmer AND cooler than it is right now. Why is the temperature as measured in 1990 the “correct” temperature?