Years of Living Dangerously - Season 1 Episode 3

In episode three, MSNBC's Chris Hayes shadows climate change skeptic, Republican Congressman Michael Grimm, for a year in Staten Island in the wake of Superstorm Sandy and questions what he might have learned about climate change in the process, and conservationist M. Sanjayan travels to the ends of the earth-including Christmas Island-to question some of the world's top climate scientists as they collect key data unlocking the past and future of our planet's changing climate.