Burn During Re-Entry?
But that might create stratospheric pollution, I suppose. We might try stacking them neatly (seriously) in, say, 50 cubic metre sealed containers that would be opened in the future as new ideas generate new uses. We have done the math, and we believe as many as 463 billion Bic-type ballpens could be stored in as few as twelve such containers. A small price to pay for the satisfaction of knowing we have put the problem onto our grand-children!