We have, as a nation, made choices that by all reasonable expectations should have put us in harm's way. There is little doubt that we continue to make choices that are likely to make the danger even greater. And yet, by dint of an accident of geography and economics, we have so far been spared the worst consequences of our actions. And even as those consequences begin to take hold in other places, here, in the parts of America where most of us live, at least for the moment, we can hear the winds roaring over our heads like that coal train, but somehow the worst of the danger still seems removed. What is our responsibility? (164)