A per­ma­nent, self-sus­tain­ing off-Earth colony would be a much more effec­tive miti­ga­tion of x-risk than even an equally well funded sys­tem of dis­aster shelters on Earth.

WikiLast edit: 23 Dec 2016 8:54 UTC by Eric Rogstad

See also the less precise claim: Establishing a permanent off-Earth colony would be a useful way to mitigate x-risk