[memracom]

Probably the asteroid Apophis, due to hit the Earth in 2029, will cause enough cooling to prevent most clathrate from melting. If that works we have a nearby supply of small asteroids that we can fire at the Earth to deepen the winter effect. It works best if you hit a shallow coastal shelf area with lots of limestone rock. Maybe we will sacrifice the Caribbean?

[perilunar]

If we are going to be re-directing asteroids, then put a couple of metallic ones in a stable orbit and turn them into foil sunshades.

[memracom]

Tinfoil hats for the whole planet? I love it!!!

[rconti]

A cursory glance at Wikipedia disagrees. It was probably a comment made in jest but if most of the readership doesn't get the joke, it's probably not working as intended.