Earth climate is a very complex system. Temperatures oscillate, have oscillated and will oscillate, no matter humans.
Humans might cause only a very small part.
Main factor by FAR is the Sun.
Also, this complex system will adjust to any new inputs.
Also, Canada will become California.
Siberia will be Riviera.
Also, and mainly, there is a LOT of oil beneath the Earth poles.
So world rulers/owners would love to speed up warming.
But tbey hardly can.
@911news