Becoming a Spacefaring Civilisation — and Saving Earth

We need to expand beyond Earth, but not abandon it: just stop relying on Earth as our only quarry and only site for factories.

Artist’s impression of two O’Neill cylinders anchored together between the Moon and Earth. The spinning cylinders replicate Earth’s gravity, are climate controlled and serve as home for millions of people — with agricultural areas, parkland and cities [Glenn Clovis]

FEEL ANGUISHED about the state of our planet? Care about the future of human civilisation? Then you should heartily support our exploration and settlement of…