: As you enter the industrial era, burning coal and oil contributes to global CO2 levels. If the world warms too much, polar ice caps melt, permanently submerging coastal tiles unless you build Flood Barriers in time. Diplomatic Victory & The World Congress

Diplomacy is no longer just about trade deals. The returns, allowing players to vote on global resolutions that can ban certain luxuries or boost specific types of Great People.

Surviving the Storm: A Guide to Civ VI's Game-Changing Expansion