We currently have all the means to prevent a catastrophic climate change. But we are not using them. It seems to be controversial to replace coal with wind and

We currently have all the means to prevent a catastrophic climate change. But we are not using them. It seems to be controversial to replace coal with wind and solar. How would you expect even more radical engineering project to succeed? Besides, in between would be a collapse of our civilization - something we really should try to prevent.