I've mentioned before my paranoid idea that somebody positively wants it that way, namely the corporate interests that have been panting for a Northwest Passage for the past five centuries and mineral rights in the Arctic for at least five decades. Just as they didn't mind destroying the Brazilian and Indonesian forests for disposable chopsticks and particle board furniture, so they don't object to letting the whole planet go, in some future generation, for the sake of this generation's profits.
Anyway, the Bulletproof Backpack mentioned in ThinkProgress (link with picture above) is another case of putting a Band-Aid on a viral infection that clearly has little or nothing to do with oil companies. There's a psychological disposition, I'm afraid, to feel that we really can't change anything, that the best we can manage is to protect ourselves, and maybe a couple of other people. The Bulletproof Backpack doesn't even protect against assault weapons, just ordinary handguns, but it's apparently selling like Iowa deep-fried buttersticks.