Citations:sky-high


 * 2020, Kate Knibbs, Spaceship Earth and the Value of Utopian Thinking, Wired (12 May 2020);
 * Biosphere 2 was a splashy, $200 million New Age vision of the Space Age with a concept so audacious—lock people inside a massive custom-made greenhouse for years and see what happens—that expectations were sky-high.