Future Shock, which was then discussed by former 2000 AD Editor, Andy Diggle.
National generalizations: Americans respect heroes and authority whereas Brits are iconoclastic. The anti-authoritarian ethos of the British sf comic, 2000 AD, has affected American superheroes and sf films.
I think of British sf as a literary tradition:
Brian Aldiss -
- but have not kept up with more recent authors. However, 2000 AD is one current manifestation.
What is the future of urban civilization?
The Time Machine and The Sleeper Wakes by Wells;
The Caves Of Steel by Isaac Asimov;
A Torrent Of Faces by James Blish and Norman L Knight;
The Corridors Of Time and other works by Poul Anderson;
Judge Dredd's Megacity One.