On: Sucking carbon dioxide out of the sky is moving fr...

[WalterBright]

It can't be too hard to recreate the preservative conditions of a bog. If I recall correctly, it's simply a very low oxygen environment.

The ancient Egyptian tombs preserved things very well as long as the tomb stayed dry.

[heavyset_go → WalterBright]

You'd need literal oceans of preservatives for this scheme to work.