Hacker News Reader

Serendipitously cooling the surface of the earth down by exactly 2.2 C.

Perhaps the solution to climate change is dropping a rock the size of a stadium on Canada every few years.

Mine some ice from an asteroid and drop it into the ocean, with larger blocks every few years as pollution increases :-)

Much of the ice would vaporise on entry. Water vapor is a greenhouse gas.

Yes. But more importantly, that was a Futurama reference: https://www.youtube.com/watch?v=6cjx4gJFME0

It can either both prevent sunlight from entering or leaving depending on the altitude.

Bring it, punk!