I mean, there's good reason for this. Air pollution is manageable because it's known, the market and people can take it into account and try and make informed d

I mean, there's good reason for this. Air pollution is manageable because it's known, the market and people can take it into account and try and make informed decisions. Terrorists attacks do not have this property and the variance of the people they kill is quite high. This makes it hard to ignore.