The answer is yes and no. Studies have been done and academics have done work. Politicians have rejected the findings. Give us another answer!
It was predicted in the 70s that overpopulation would run up burning things. Burning things and stuff was predicted to raise the temperature.
Conservation was recommended.
Some are ready, and some don't even have a chance to get close to ready.
Jared Diamond wrote Collapse. I recommend it as a read on the subject.
P.S. Ocean destruction is a bad thing all round and nobody is really ready to face that.
You don't get wise because you got old, you get old because you were wise.