Tamminen, former California EPA Secretary, reflects on how the Golden State has charted a path for other nations to reduce emissions and discusses how the DiCaprio Foundation is engaging on saving ecosystems and inspiring innovation.
Colorado Governor John Hickenlooper, New York 'energy czar' Richard Kauffman, and others from the private sector highlight the advancements of electric vehicles and renewable energy.
California Air Resources Board Chair Mary Nichols discusses the battle against the Trump administration's decision to revoke the state's regulatory waiver to set more stringent clean car standards.