350 or Toast! “There is no Planet B”
And, the answer is...350. That is 350 parts per million of Carbon Dioxide in our atmosphere, the upper limit for sustainability of life, human life anyway. The question, however, is why are more -- not less -- Americans not convinced about the dangers of global warming and climate change in 2009 than in 2006? A new poll by the Pew Research Center for People and the Press released yesterday, found some alarming downward trends. Only 35 percent of Americans see global warming as a serious problem, and about 57 percent believe there is solid evidence that the earth is getting warmer.