The Space Age made clear the consequences of living in an interdependent world and gave us new perspectives on planet Earth. One was to address the legacy of colonialism as decolonization. The other was the role of human activity in changing the physical system of the Earth, altering our climate.

Dr. Martin Collins from the Smithsonian’s National Air and Space Museum invites us to examine how we might make choices as individuals, communities, and nations to resolve the issues before us.