after unfettered capitalism (particularly due to the unregulated financial sector and the military-industrial complex) had wrecked the planet and humans finally were wiped out, the earth became a very peaceful place again (ca. around 2113)
Book Three: "They burned it. I can't believe they burned it. It's been here for centuries." "Shut up, Graden." "Calm yerself, Chesh. Jest because you loved this plece and now et's gone doesn't mean yeh have the right teh teke it out on us."