Arcologies are fully-enclosed areas housing large populations of humans on Earth. The environment on Earth has been rendered unsafe by centuries of industrial-ecological abuse.

Each arcology, built in the 21st century mostly on top of pre-existing cities (and enclosing their historical centers), protects humans from the deadly atmospheric conditions outside while providing a complete and self-contained “world” inside. Most earthlings grow, mature, and die on their planet without ever having seen what used to be known as “the sky”.

Earth arcologies

(Note: This list consists only of items mentioned in the sources. It may be very incomplete.)

(Spoiler Warning)

The text below mentions events occured after 2611 and/or contains information relevant to the plot of the trilogy. Proceed at your own risk!

After the resolution of the possession crisis the need for Earth arcologies was no more.

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