Barren Earth Scenario
From Tardis Wiki, the free Doctor Who reference
The Barren Earth Scenario was a study from the "Pete's World" version of the Torchwood Institute which reported that, as male fertility dropped, lifespans in the western world were decreasing. (PROSE: Doctor Who: The Encyclopedia [+]Loading...["Doctor Who: The Encyclopedia (reference book)"], The Time Traveller's Almanac [+]Loading...["The Time Traveller's Almanac (reference book)"]) The publishing of this study was later reported on IE24 News. (TV: Rise of the Cybermen [+]Loading...["Rise of the Cybermen (TV story)"])