All for Earth is a podcast about the broad-based mobilization of people around the world who are racing time to prevent the impending implosion of the critical and interconnected systems that support life on earth. The point is simple and twofold: The planet is facing an existential crisis…and we have the tools to avert it. The latest episode of the “She Roars” podcast features Catherine Riihimaki, host of “All for Earth,” discussing the themes and surprises of Princeton’s newest podcast.