Essays and Manifestos
Links
A Million Reasons to Go To Space
http://nssnyc.org/amillionreasons.html
Brief thoughts from dozens of (mostly) NY space activists on why we need to be in space.
Bioterrorism May Spur Space Colonies
http://www.space.com/scienceastronomy/generalscience/colonize_now_011030-1.html
Plans to save civilization by sending people and important documents into space in a 21st Century "Noah's Ark" might get a boost from fears of bioterrorism.
Colonies in space may be only hope, says Hawking
http://news.telegraph.co.uk/news/main.jhtml?xml=%2Fnews%2F2001%2F10%2F16%2Fnhawk16.xml
Interview with Britain's Daily Telegraph in which eminent cosmologist Stephen Hawking warns that the human race is likely to be wiped out before the millennium is out unless we set up colonies in space.
Foreign Affairs: A Hopeful Future for Mankind
http://www.foreignaffairs.org/19800601faessay8146/louis-j-halle/a-hopeful-future-for-mankind.html
Louis J. Halle, formerly of the U.S. Department of State, writes in Foreign Affairs (Summer 1980) that space colonization will protect humanity in the event of a global nuclear war (subscription/payment required for full article).
Letters from the National Space Society
http://www.nsschapters.org/letters/
A collection of letters in support of space exploration, sent to and published in newspapers and other media around the world.
National Space Society: Statement of Philosophy
http://www.nss.org/about/index.html#philosophy
Vision of "people living and working in thriving communities beyond the Earth".
NSS Policy Committee: Position Statements and Alerts
http://www.nsschapters.org/policy-cmte/topics.html
Collection of statements on space policy, including essays on colonization and use of space resources.
Our Future in the Cosmos
http://www.wronkiewicz.net/asimov.html
Essay by Isaac Asimov about the need for the future settlement of space.
Solar Power Satellites
http://nothingisperfect.home.comcast.net/2004/02/07
A brief essay on Solar Power Satellites, a key element of O'Neil's High Frontier program
Somewhere Else Entirely
http://members.aol.com/howiecombs/somewhere_else.htm
A reminder for the 21st century, on why O'Neill's vision of orbital habitats still trumps "planetary chauvinism", at least in the medium term.

