Earlier quoted context omitted.
> There’s no free lunch. It came with side effects. Yes, and it's largely positive since we have a much larger population that can actually survive thanks to the benefits across the board that fossil fuels have brought (mobility, agriculture, commerce, etc...). To reduce their negative side effects the first thing would be to get away from coal.
For now. If it's not sustainable for more than a few centuries then our offspring are in for a rude awakening.
Typically you don't make plans for the future by assuming nothing ever improves.