International Earth-Destruction Advisory Board

I'm watching The Day the Earth Stood Still and Klaatu mentions destroying the Earth, which naturally made me think of Sam Hughes' Geocide site. Despite the impressive amount of research humanity has done on destroying life forms, nobody has yet found a viable way to demolish our homey little ball of rock. Though it's not for lack of contemplation—the fiction page lists Vogon construction crews as only one of many methods.