Just finished reading Dan Brown’s “inferno”.
The unfortunate thing is that people will play this scenario as pie in the sky fiction. There are people, powerful people, that actually believe in this ‘solution’. Most also assume, that because they are the enlightened elite, they will be among those who get to choose.
Been saying for years someone should remake Logan’s Run...
There was also a Tom Clancey book about eco-nuts trying to depopulate the Earth.