https://media.ccc.de/v/33c3-7942-interplanetary_colonization

the state at the beginning of the 21st Century

The long term survival of the human species requires that we become an interplanetary species. But we must answer two big questions: where are we going, and how do we get there? We explore what scientists know (and don’t know) about humanity’s potential future homes both inside and outside the solar system, and then we’ll dive into the technological challenges of (and potential solutions for) getting humans to and colonizing a new planet.

Liz George Peter Buschkamp