[wat10000]

Only because the damage is more diffuse.

Have you ever seen the common medical advice that pregnant women should avoid eating more than a few servings of seafood every week, and avoid certain kinds entirely, because they’re all contaminated with mercury? A huge portion of that mercury comes from burning coal. How’s that for an exclusion zone?

[ceejayoz]

Or for a big long list: https://en.wikipedia.org/wiki/List_of_Superfund_sites