Why Trump is upset about what's happening outside the NY courthouse

Global temperatures are rising, severe storms are intensifying and people are feeling climate anxiety. Does saving the planet mean living without comfort or convenience? Can policies and technology turn things around? CNN Chief Climate Correspondent, Bill Weir believes taking better care of the earth and our ourselves can go hand-in-hand. He talks with Dr. Sanjay Gupta about what’s working, what needs to change and why there is reason to be optimistic about the future. They also discuss Weir’s call to action - his new book, “Life as We Know It (Can Be): Stories of People, Climate and Hope in a Changing World.”