The biggest challenge associated with the sustainability of space exploration from a insuring POV, according to David Wade, is debris in low Earth orbit, where thousands of satellites and 30,000 pieces of debris are floating around.  
 
This poses a significant risk to satellites and increases the likelihood of conjunctions, where satellites come close to each other and debris, leading to collisions.  
 
Listen to the full episode and learn more about what private actors could do to support a cleaner race towards the stars.