 I'm here at the American Geophysical Union Fall Meeting, where over 20,000 earth scientists have come together to present their research. Among climate scientists, 97% agree that humans are causing global warming, but if you ask the average person off the street, they think there's a 50-50 debate. Why is climate change so controversial among the general public when there's no controversy among climate scientists? That's what we'll look at in Week 1 of Denial 101X. With all the evidence resulting in a consensus, what is driving the rejection of climate science?