Your industrial zone is now a double-edged sword. Burning coal generates CO2, which accelerates climate change. In v101231, the AI is specifically tuned to ignore emissions. If you go green (wind farms, solar panels, hydroelectric dams), you’ll have less production but earn massive Diplomatic Favor. If you go dirty, you’ll out-produce everyone but watch your coastal tiles sink. It’s the most profound risk-reward system ever in a Civ game.
: In this version, you can bribe Barbarians to leave you alone or even hire their unique units. It’s a great way to bolster your army without using your own production.