
In the PC building game Anno 1800, players must manage the environmental pollution caused by heavy industry and factories. As pollution negatively impacts city attractiveness and, by extension, income, players must find ways to reduce pollution or offset its effects. One strategy is to relocate polluting industries to separate dumpster islands, only shipping the finished goods back to the main island. Players can also increase city attractiveness through large parks and cultural sites, though this method is costly and requires significant space. Another option is to use the Docklands Main Wharf building to reduce the need for factories by purchasing industrial goods. Finally, upon reaching the Engineers stage, players can construct commuter piers to transfer workers between islands and share the workforce.
| Characteristics | Values |
|---|---|
| Primary cause of pollution | Factories |
| Buildings that add to pollution | Any building that produces smoke or has a large chimney |
| Solution to pollution | Offload factories to other islands, or increase the attractiveness of the city with parks and cultural sites |
| Commuter pier | Used to transfer workers from the main island to other islands |
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What You'll Learn

Move polluting factories to another island
To reduce pollution on your main island in Anno 1800, you can move polluting factories to another island. This strategy is often recommended to improve the attractiveness of your main island, which can increase tourism and income. Here are some tips for executing this strategy:
First, select an appropriate island to relocate your polluting factories. Ideally, this island will be nearby, with enough space to accommodate all the factories you want to move. If you're playing in multiplayer mode, you may need to act quickly to secure an island before other players claim them all.
Once you've chosen your new industrial island, build commuter piers to facilitate the transfer of goods and workers between the islands. You can also use the Docklands Main Wharf building to reduce your dependence on factories by purchasing industrial goods.
When you're ready to make the move, use the blueprint mode to plan the layout of your new industrial island. You can then pause the production on your original factories and slowly phase them out as the new island catches up.
Keep in mind that this strategy may require significant micromanagement, especially if you need to build housing for workforces on the new island. Additionally, lowering pollution on your main island can be expensive, so it's best not to attempt it too early in the game when money is still tight.
Finally, remember that while relocating polluting factories can help reduce pollution on your main island, it simply shifts the pollution to another location. Future generations may have to deal with the pollution buildup on the industrial island.
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Increase city attractiveness with parks and culture
In Anno 1800, city attractiveness is influenced by six factors, three of which are positive and three are negative. The positive factors are culture, nature, and festivity, while the negative factors are vulgarity, pollution, and instability.
To increase city attractiveness with parks and culture, focus on the culture and nature factors. Here are some strategies to achieve this:
Culture
- Bring new species of animals and exotic artifacts from your expeditions to your island.
- Construct cultural buildings and ornaments, such as a museum, zoo, gardens, and other decorative items. These will not only make your city more attractive but also provide entertainment for your residents and draw the attention of tourists.
- Transform wasted spaces between production buildings with small ornaments and decals.
- Organize festivals and events, such as parades, to entertain your residents and attract tourists.
Nature
- Ensure your city has ample greenery and natural monuments.
- Preserve untouched forests, meadows, and free space on your island to create scenic views.
By focusing on these strategies, you can increase the cultural and natural aspects of your city, thereby enhancing its attractiveness and reaping the rewards that come with it, such as increased tourism and a boost in income.
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Use items to decrease pollution in trade unions
In Anno 1800, players must manage different populations and production buildings, as well as a fleet of ships, diplomacy, and trade. While playing, it is inevitable to encounter the pollution mechanic, which is caused primarily by factories. To decrease pollution, one strategy is to use items in trade unions.
Trade unions are administration buildings that provide bonuses to other production-focused buildings within their radius when equipped with the appropriate items. These items can be equipped by selecting a trade union and choosing the desired item from the item storage menu of the island's trading post or warehouses, or from nearby ships. Only items that are equippable in trade unions can be used, and up to three items can be equipped simultaneously (four with Union Subsidies Act palace policy).
- Feras Alsarami: This epic trade union item provides a 50% productivity boost, a 10% reduction in maintenance costs and workforce needed, and a 20% lower chance of riots for all buildings in range. It also adds +20 diplomacy to expeditions and has the Hypnotist trait.
- Cosmo Castelli: This legendary agricultural item increases crop productivity by 70% and reduces the required workforce by 80%. It also provides an additional +35 growing modules to farm buildings.
- Costume Designer: While only a rare item, the Costume Designer simplifies the production chain of the fur industry by replacing the need for cotton fabric with wool as an input to the fur dealer.
- Engineering Giant: This item can be equipped on expeditions, adding +55 crafting and +25 diplomacy, resulting in additional money for players.
By utilising these items in trade unions, players can decrease pollution and improve the efficiency of their production buildings in Anno 1800.
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Reduce need for factories by purchasing industrial goods
To reduce pollution in Anno 1800, one of the primary causes of which is factories, players can opt to purchase industrial goods instead of producing them. This can be done by using the Docklands Main Wharf building, as suggested by a player on thenerdstash.com. This strategy can reduce the need for factories and, consequently, help lower pollution levels.
In the game, players are tasked with managing a city and its development, including the construction of buildings and production of goods. Factories are a significant source of pollution, as they produce smoke and emit pollutants into the atmosphere. To mitigate this, players can choose to purchase industrial goods from other settlements or islands instead of producing them themselves.
By utilising the Docklands Main Wharf building, players can import the necessary goods for their city's development without directly contributing to pollution through factory production. This approach aligns with the strategy of "offloading" pollution to other areas, a tactic employed by megacorporations in the modern world.
However, it is important to note that lowering pollution in Anno 1800 can be a costly endeavour, as mentioned in the same thenerdstash.com article. Players should carefully consider their resources and timing before attempting to significantly reduce pollution levels. Additionally, as the game progresses and the population increases, the demand for industrial goods will also rise, further emphasising the need for effective pollution management.
To summarise, by purchasing industrial goods instead of solely relying on factory production, players can reduce the need for factories and, thus, help lower pollution levels in their cities. This strategy can be implemented through the utilisation of specific buildings, such as the Docklands Main Wharf, and by recognising the role of pollution "dumpster islands" in the game's mechanics.
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Upgrade city prettiness with museums, zoos, and gardens
To stop pollution in Anno 1800, the best advice is to relocate the polluting production chains to another island. This strategy involves offloading the factories responsible for pollution to separate islands, also known as "dirty kitchen" islands, and then shipping the goods back to the main island, which remains pristine and pollution-free. This approach is similar to what megacorporations do in the modern world.
Now, onto the topic of upgrading city prettiness with museums, zoos, and gardens:
Museums, zoos, and gardens play a crucial role in upgrading the attractiveness and overall beauty of your city in Anno 1800. These attractions are a significant source of revenue as they draw a large number of visitors and tourists. Here are some detailed instructions on how to upgrade your city prettiness using these features:
- Museums: To enhance your city's attractiveness with museums, focus on acquiring and displaying various artifacts and exhibits. You can obtain these artifacts through expeditions, trades with other cities, or by purchasing them when they are put up for sale. These artifacts and exhibits will attract tourists and locals seeking entertainment, thereby increasing the attractiveness of your city.
- Zoos: Zoos, similar to museums, are a great way to increase tourism and the overall beauty of your city. To establish a zoo, you will need to obtain different species of animals, which can be acquired through rewards from expeditions, trades with other cities, or purchases from animal sales. It is important to diversify the animals in your zoo and rotate them periodically to keep tourists interested and provide them with a fresh experience each time they visit.
- Gardens: Botanical gardens and decorations can significantly enhance the aesthetics of your city. In the Anno 1800 Wiki's City Layouts section, a user shares their layout, which includes 99 decoration gardens from the Botanica DLC. This demonstrates the impact that gardens can have on the overall attractiveness of your city.
By investing in museums, zoos, and gardens, you will not only increase the prettiness of your city but also boost tourism and revenue. These attractions provide entertainment for locals and draw the attention of visitors, making your city more prosperous and successful in the game.
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Frequently asked questions
To reduce pollution, you can move polluting production chains to another island. This will help to make your main island more attractive to tourists, which will increase income. You can also increase the attractiveness of your main island by building large parks and cultural sites.
First, pick and colonize a nearby island where you can fit all the factories from your main island. Then, build commuter piers on both islands to transfer workers between them.
Yes, there are some items that can be used to decrease pollution and put in a trade union. You can also use the Docklands Main Wharf building to reduce the need for factories by purchasing industrial goods.











































