What, if anything, do we need to do about climate change? We keep being told we have to overhaul our whole way of life by 2030 but what is the empirical evidence and correct interpretation based on renowned physicist Richard Feynman's Key to Science? In this lively discussion, we tackle the meaning of weather changes here in San Diego and globally with Dr. Cal Beisner, PhD, a scholar in environmental science and economics, who has edited an important new book Climate and Energy: The Case for Realism. For a donation of any amount, get the new book at Cornwallalliance.org.