[Hegemony Cricket]

I would say to those who preach loudly against building power plants, nuclear or otherwise: You are free to believe anything you want - you are free to say whatever you want to about. However, when we run short of power, we are going to shut you off first. Those luxurious offices are going to be just peachy in the dark with no heat/AC. Have a nice day...

[The Red Zone]

They will just burn candles and store winter ice in the cellar. So there.

[Valin]

I'd ask them why they drive cars, use electricity, and in general partake of all the the modern world provides.