Andrew Song: Global Cooling with Sulfur Dioxide in the Stratosphere — #91

In this episode of Manifold, Steve Hsu interviews Andrew Song, a founder of Make Sunsets, a climate startup. Andrew discusses his background, including his time as a competitive swimmer and his initial career in economic consulting. He shares the inspiration behind Make Sunsets, which aims to cool the Earth by launching reflective clouds near the ozone layer, mimicking the effect of volcanoes. They discuss the science behind stratospheric aerosol injection, the use of sulfur dioxide, and the potential for scaling up the technology using balloons. Andrew addresses criticisms and explains the business model of selling cooling credits. They also explore the economics of climate change solutions and the potential for Make Sunsets to play a role in mitigating global warming.