The environment is the theme for this discussion between Aaron and Mark Udall. Aaron and Mark discuss the reliability of the science behind climate change and the economic and security opportunities for America in embracing new technologies to reduce carbon emissions. Mark expresses his views on standards for vehicle fuel efficiency and the dangers posed by the acidification of the world's oceans. Aaron and Mark address the shortcomings of the 1872 Mining Act and Mark offers his views on the strengths and weaknesses of the Agricultural Bill. Mark also talks of the resilience of the American people and their spirit and willingness to affect change in this area.