Helena Joyce
In SimCity 4, pollution is a byproduct of certain buildings and has several negative side effects, such as reduced life expectancy, lower Mayor Ratings, and lower land value. While it is impossible to eliminate pollution entirely, there are several strategies to decrease and manage it. This includes using ordinances like the Clean Air Act, reducing traffic congestion, planting trees, and ensuring your Sims are educated, which encourages high-tech industries to move in and replace old, polluting factories.
| Characteristics | Values |
|---|---|
| Type of pollution | Air pollution, water pollution |
| Causes of air pollution | Dirty industry, manufacturing industry, power plants, airports, traffic |
| Causes of water pollution | Industry, farms, power plants, seaports |
| Effects of air pollution | Reduced life expectancy, lower Mayor Rating, lower desirability, abandonment |
| Effects of water pollution | Gunking up of pumps, reduced working capacity of pumps, water towers and water plants |
| Ways to reduce air pollution | Activate city ordinances (e.g. Clean Air Act), reduce traffic congestion, plant trees, educate Sims, replace old factories with new clean buildings, keep out filthy business deals |
| Ways to reduce water pollution | Build water treatment plants, separate water systems for industries |
| Other strategies | Confine pollution to a specific location (e.g. corner of the map or behind mountains), separate industries from other areas, zone high-tech areas away from pollution, increase demand for high-tech industries |
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What You'll Learn
Use parks and trees to reduce air pollution
Parks and trees can be used to reduce air pollution in SimCity 4. While they can only do so much, they are still a viable option. One player suggests placing parks around the city because high-tech industries do not like low desirability.
Trees can be planted to control the spread of air pollution from industrial areas. One player suggests placing agriculture around power plants and medium industry zones, then planting trees until the air pollution is resolved. Another player suggests setting up a "green band" of trees to stop pollution from crossing over from industrial areas.
It is important to note that there is a trick/cheat to planting trees. By opening the pre-city god mode with the CTRL+ALT+SHIFT keys held down, you can plant trees for free at a very high rate. However, this is not a permanent solution to pollution.
To further reduce air pollution, it is recommended to get rid of dirty industries and power plants that use coal, oil, and trash-to-energy. These are major sources of air pollution and removing them will significantly improve air quality.
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Zone polluting industries away from other areas
To decrease pollution in SimCity 4, one strategy is to zone polluting industries away from other areas. This can be done by setting taxes on manufacturing and dirty industries to 20% and then zoning a new area away from the pollution. This strategy can help reduce the negative impact of pollution on the city's desirability and attractiveness to high-tech industries.
It is important to separate polluting industries from other areas of the city to mitigate the spread of pollution. This can be achieved by creating a "green band" of trees and parks to act as a buffer zone between industrial areas and residential or commercial zones. Trees and parks help absorb pollution and improve air quality, making it more desirable for high-tech industries to develop in these areas.
Additionally, consider the placement of your industrial zones within the city. Avoid locating them in the city centre, as this will affect all sides of the city with air pollution. Instead, place them on the outskirts or sides of the city, ensuring that the wind direction carries pollution away from residential and commercial areas. This will help minimise the impact of pollution on the health and happiness of your Sims.
Another strategy to reduce pollution from industries is to focus on transitioning from dirty industries to manufacturing industries. Manufacturing industries pollute less, and by investing in education and increasing the tech levels of your city, you can further reduce pollution and encourage the development of high-tech industries.
Finally, it is essential to address water pollution caused by industries. By setting up a separate water system for industries, you can prevent water pollution from spreading to other areas of the city. Additionally, consider building water treatment plants to process polluted water and ensure a clean water supply for your city.
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Avoid water pollution by building water treatment plants
Water treatment plants are an effective way to reduce water pollution in SimCity 4. Here are some strategies to avoid water pollution by building water treatment plants:
Placement of Water Treatment Plants
The placement of water treatment plants can impact their effectiveness. While some players suggest that water treatment plants can be placed anywhere in the city, it is important to consider their impact on sensitive zones. Water treatment plants may face opposition from nearby residents, so it is advisable to keep them away from residential areas. Placing them in industrial zones or near rivers and seas can help alleviate this issue. Additionally, connecting water treatment plants with a pipeline can enhance their overall efficiency.
Managing Industrial Pollution
Industrial areas are major contributors to water pollution. To mitigate this, consider creating a separate water system for industries. This approach eliminates the need for water filtration plants within the industrial zone. Alternatively, you can establish a separate water source for the industries, ensuring that the water source remains unpolluted and that the industrial wastewater does not contaminate the main water supply.
Controlling Pollution Spread
Trees play a vital role in controlling the spread of water pollution. By creating a "green band" of trees around industrial areas, you can prevent pollution from reaching other parts of your city. This natural barrier helps contain pollution and keeps your water sources cleaner. Additionally, as your city becomes more educated, focus on transitioning from dirty industry (I-D) buildings to less polluting manufacturing (I-M) and high-tech (I-HT) industries. This gradual shift will reduce the overall pollution levels in your city.
Water Treatment Plant Efficiency
It is important to understand that the effectiveness of each additional water treatment plant decreases. The first plant might reduce pollution by 70%, the second by 25%, the third by 12.5%, and so on. Therefore, it is crucial to observe how much pollution each plant can absorb before placing another. Additionally, consider the cost implications of treating water; building industries, farms, sanitation, and power plants away from residential and commercial zones can help reduce the need for extensive water treatment facilities.
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Encourage high-tech industry to reduce dirty industry
To encourage high-tech industry and reduce dirty industry in SimCity 4, there are several strategies you can employ. Firstly, focus on creating desirable zones for high-tech industries to develop. This involves ensuring good transportation links and including parks or plazas in these areas. High-tech industries prefer to build in unpolluted areas, so it is essential to address pollution issues in your city.
One way to reduce pollution from dirty industry is to separate these industries from other areas and create a ""green band" of trees to act as a buffer. This will help contain the pollution and make it less likely to spread to other parts of your city. Additionally, you can set up a separate water system for the dirty industries, eliminating the need for water filtration plants.
Another strategy is to use the Industrial Revolution Mod, which changes the zoning so that low-density zones are reserved for dirty industry and high-density zones are for high-tech and low-polluting industries. This gives you more control and prevents high-tech industries from abandoning polluted areas. You can also influence the development of high-tech industries by adjusting taxes. Set the taxes for dirty industry and manufacturing to 20%, the highest rate, to decrease demand for these industries.
At the same time, consider lowering taxes for high-tech industries and creating desirable zones with parks and commercial areas surrounding them. Educating your population is also crucial, as high-tech industries are more likely to develop when your population becomes more educated. These strategies will help you encourage the growth of high-tech industries while reducing the presence of dirty industries in your city.
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Use ordinances to reduce air pollution
Ordinances are an effective way to reduce air pollution in SimCity 4. The game features 20 ordinances, 19 of which impact your city. While you can't create new ordinances, you can modify or replace existing ones to some extent.
One of the most important ordinances for reducing air pollution is the Clean Air Act. This ordinance reduces the overall amount of pollution emitted by each building and also lowers the demand for dirty industry. As your Sims become more educated, they will replace dirty industry buildings with high-tech, clean alternatives.
Another ordinance to consider is the Carpool Incentive Program. This ordinance encourages Sims to carpool, reducing traffic congestion and, by extension, air pollution.
In addition to ordinances, you can also use trees to help mitigate air pollution. Plant trees around your industrial areas to create a "green band" that will contain pollution and prevent it from spreading to other parts of your city.
It's also important to separate your industries from other areas of your city. Locate your industrial areas on the outskirts, away from the city centre, to minimise the impact of air pollution on the health and development of your Sims.
Finally, focus on transitioning from dirty industry to manufacturing and high-tech industry. Manufacturing pollutes less than dirty industry, and high-tech industries do not contribute to water pollution. As your city becomes more educated and prosperous, you can attract these less polluting industries, improving the air quality for your Sims.
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Frequently asked questions
Air pollution is caused by dirty and manufacturing industries, power plants, airports, and traffic. To decrease air pollution, you can:
- Plant trees.
- Build parks.
- Confine polluting industries to a specific location, such as behind a mountain range.
- Enact ordinances such as the Clean Air Act.
- Educate your Sims, which will encourage high-tech industries to move in and replace old, dirty factories.
Water pollution is caused by industry, farms, power plants, and seaports. To decrease water pollution, you can:
- Build a water treatment plant.
- Separate the water system for industries to remove the need for water filtration plants.
- Build your water towers and pumps away from sources of water pollution.
To prevent pollution from spreading, you can:
- Confine polluting industries to a corner or a specific location.
- Set up a "green band" of trees to stop pollution from crossing over to other areas.
- Zone new areas away from pollution.
