The case for stubborn optimism on climate
8:06 | “This decade is a moment of choice unlike any we have ever lived,” says Christiana Figueres, the architect of the historic 2015 Paris Agreement.
A small country with big ideas to get rid of fossil fuels
15:52 | Using her native Costa Rica as an example of positive action on environmental protection and renewables, climate advocate Monica Araya outlines a bold vision for a world committed to clean energy in all sectors.