The Ark of 1984's Future by Jim Cline
Approx. 54,270 words.
Published on July 11, 2009.
The 3Musketeers are building a huge space carousel escalator so as to enable use of GEO to save civilization and restore the collapsed ecosystem, but they are thwarted by the Elite's TANFL Corp. Then TANFL realizes it can take over the world by helping the 3Musketeers achieve their dream of building cities in space, to get them off the planet, but not letting them return to their homes later.