Our interaction with space is reshaping the global economy and geopolitics. We rely on it for navigation, climate change research and weather forecasting, communication, and military operations. Many different countries are now active in space, and much of the world depends on space-based services. Private interests are increasingly pushing the boundaries of related technology and norms, and their funding of space exploration has created new capabilities and the potential for broadly-shared benefits. However, we must ensure that robust policies are in place to preserve both the safety and sustainability of space exploration. This briefing is based on the views of a wide range of...