With catastrophic global warming already baked into the climate system, today's children face a future entirely unlike that of their parents. How can we maintain hope and make a difference in the face of overwhelming evidence of the climate crisis? Harriet Sugarman, Executive Director of Climate Mama, Professor of Global Climate Change Policy and World Sustainability, and Chair of the Climate Reality Project is the author of the new book, "How to Talk to Your Kids About Climate Change," which provides tools and strategies for parents to explain the climate emergency to their kids and galvanize positive action.