David Keith has some big ideas for the planet.

A Professor of Applied Physics at Harvard, David is leading a team of researchers focused on the science and public policy of solar geoengineering, a field that yields innovative ways to manipulate our environment. David and his colleagues believe that solar geoengineering can go a long way toward mitigating the effects of climate change.

In this episode of The IVY Podcast, David offers his insights on the technologies, risks, experiments, and governance associated with this field, and what is needed to save the earth.