Pollution is a special late-game mechanic of Humankind. Beginning from the Industrial Era, certain Districts and Infrastructures will produce Pollution on a per turn basis. Pollution will accumulate inside Territories and gradually impact its Districts and the Stability of the contolling City. Each Empire contributes to Global Pollution based on their Pollution production per turn in their Territories. Global Pollution impacts the whole map and reduces Food production and Stability in Cities.
Sources of Pollution
The only way to produce Pollution is through District construction. Each District that pollutes, contributes to the Territory's Local Pollution. Makers Quarters and Farmers Quarters don't produce Pollution on their own, but certain Infrastructures may provide them with polluting properties on top of extra bonuses. Emblematic Districts with the "count as" attribute will get the Pollution effects from Infrastructures based on their District type tag.
- +5 Pollution per Train Station
- +5 Pollution per Aerodrome
- +15 Pollution per Airport
- +15 Pollution per Missile Silo
|On Makers Quarter||+2||Coal Plant||Industrial Era|
|+1||Anti-Air Surveillance||Contemporary Era|
|+2||Financial District||Contemporary Era|
|+2||Quarrying Machinery||Contemporary Era|
|+2||Automated Factory||Contemporary Era|
|+2||Tech Park||Contemporary Era|
|+2||Command Compound||Contemporary Era|
|On Farmers Quarter||+1||Industrial Silos||Industrial Era|
|+2||Factory Farming||Contemporary Era|
When the Global Pollution reaches the highest level (over 100k accumulated Global Pollution), it will trigger the Rending the world unfit for human life End Condition, forcing the game to end after the next turn (Standard Speed).
|The threshold numbers are not tested on all game speed so it may vary!|
|Very Low Pollution||
||0-45k accumulated Global Pollution|
|Low Pollution||45k-72k accumulated Global Pollution|
|High Pollution||72k-100k accumulated Global Pollution|
|Very Low Pollution||
||1-19 Pollution per turn|
|Low Pollution||20-49 Pollution per turn|
|High Pollution||50+ Pollution per turn|
Currently the only ways of reducing Global Pollution are:
Building Nature Reserves -3 Pollution
Planting Forest which will provide a -10 Pollution effect on the current per turn Pollution value for 2 turn. After 2 turn, the per turn Pollution increase will rise back to the pre-Forest level.
It's also possible to decrease amount of Pollution produced by a city. Fusion Reactor technology provides -50% Pollution, meaning more Pollution must be produced by territory to reach dangerous Pollution levels. Certain Infrastructures decrease amount of Pollution produced, summing additively to -90% Pollution produced on Makers Quarters.
|-10%||-1 Pollution||-2 Pollution||Hydroelectric Dam||Power Lines|
|-20%||-1 Pollution||-2 Pollution||Solar Farm||Renewable Energy|
|-30%||-1 Pollution||-2 Pollution||Wind Farm||Renewable Energy|
|-30%||-1 Pollution||-2 Pollution||Nuclear Plant||Nuclear Fission|