I mean technically the science of it has been settled for over 100 years. That’s why Alexander Graham Bell sunk his fortune into early solar energy. That we are going over the cliff into warming the likes of which haven’t been seen in 250 million years is what has been settled for at least 20.
It’s actually been settled science for over 40 years at this point. Here’s Carl Sagan laying it out to Congress in 1985 https://youtu.be/Wp-WiNXH6hI
I mean technically the science of it has been settled for over 100 years. That’s why Alexander Graham Bell sunk his fortune into early solar energy. That we are going over the cliff into warming the likes of which haven’t been seen in 250 million years is what has been settled for at least 20.