Nick interviews Catalina Ross, Energy Program Coordinator with the Sierra Club. Catalina helps to demystify the concept of global average temperature rise as well as the relationship between utility companies and sources of energy in southern Arizona. (Where is our electricity -actually- coming from? The answer may surprise you.) She also calls attention to the covert, but real, role that white supremacy and colonialism play in climate change impacts, including sea-level rise and the threats to island nations in the Pacific...