Climate Activist Mark Dunlea has spent a lifetime on these issues and is author of the new book: "Putting Out the Planetary Fire: An Introduction to Climate Action and Advocacy." The volume provides an overview of the central issues in the climate movement: Renewable Energy, Environmental Justice, Reparations, False Climate Solutions, Real Life Barriers, carbon pricing, Green New Deal, crypto mining, plastics, and military.

Michio Kaku is the co-founder of String Field Theory and is the author of international best-selling books such as "Hyperspace," "Visions," and "Beyond Einstein." He is the the Henry Semat Professor in Theoretical Physics at the City University of New York and he joins us to talk about his latest book "Quantum Supremacy: How the Quantum Computer Revolution Will Change Everything."