As the climate crisis creates an increasingly hostile surface environment, some governments and urban planners believe heading underground might be the safest bet.
fadedNot listed again within the publisher's next two editions, nor later (D33).
A trend is graded on whether the publisher keeps it, never as a hit or a miss (D6, D33).
All captured fields
rank
669
section
Climate & Energy
subsection
Climate Trends / Living in a New Reality
subject
Underground Cities
page
49
confidence
high
note
Appended 2026-10-02 after the existing entries (D15) by the contents audit (check_2023_contents.py, issue #26). The volume contents run over two pages; the first capture read only the first, so the trends listed on the second were missing.