Obama on trace amounts of carbon dioxide

Barack Obama : : Alarmism We Can't Believe In | Sam Graham-Felsen's Blog: Statement of Senator Barack Obama on the Climate Change Bill

We can’t afford more of the same timid politics when the future of our planet is at stake. We are already breaking records with the intensity of our storms, the number of forest fires, and the periods of drought. By 2050, famine could force more than 250 million from their homes. And if we do nothing, sea levels will rise high enough to swallow large portions of every coastal city and town.