How many trees do we have to plant, to delay global warming

I’ve been watching this slow train wreck for decades

I realize people have been asking this for 3 decades, but what if we stopped using coal for 40% of the world’s electricity?

We are beginning a 4th decade of large coal usage.

14 years ago, Google had the idea of making renewable energy cheaper than coal:

https://www.forbes.com/sites/williampentland/2014/11/30/why-...