On: In theory, rocks from Oman could store hundreds of...

[zeth___]

More like 30 years ago.

But yes, now would be good too.

[matte_black → zeth___]

In that case we should adopt a more cavalier attitude toward nuclear weapons. If we allow at least one nuclear exchange between two nations we could help offset the effects of global warming for a good while longer.

[zeth___ → matte_black]

Ocean acidification isn't helped by nuclear weapons.