"One volcano puts out more toxic gases - one volcano - than man makes in a whole year. And when you look at this climate change, and when you look at the regular climate change that we all have in the world, we have warm and we have cooling spells."

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We have also come to this hallowed spot to remind America of the fierce urgency of Now. This is no time to engage in the luxury of cooling off or to take the tranquilizing drug of gradualism. Now is the time to make real the promises of democracy

— Martin Luther King, Jr.