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A rain garden is a water drainage system that directs water towards a garden. The garden soaks up and purifies water resulting in cleaner water flowing to area rivers, streams, canals, lakes, ponds and harbors. Rain gardens may also help to cool urban heat islands.
Plants in a rain garden are typically wetland edge vegetation selected to to match the local ecosystem. Soil is selected for its permeability and filtration properties. A rain garden may also include links to drainage infrastructure or local drainage features such as a dry well.|
Type | | Definition | A drainage system that directs water to a garden. | Value | Flood preventionWater purificationDrought preventionCooling of urban heat islands | Notes | Rain gardens are usually passive systems that drain water by virtue of being physically lower than their surroundings. | Related Concepts | |
Cities
This is the complete list of articles we have written about cities.
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A few common urban design terms.
The difference between a green wall and green facade.
A list of sustainable urban design techniques.
The difference between active and passive design.
How a street canyon changes an urban environment.
An overview of parti pris in architecture with an example.
A list of common city issues.
A list of common community problems.
An a-z list of things in cities.
An list of the common types of city.
An overview of existential risk.
An overview of the precautionary principle.
A definition of comparative risk with examples.
The common types of energy efficiency.
The definition of external stakeholder with examples.
Common examples of an economic bad.
The definition of win-lose with examples.
An overview of climate engineering.
Why carbon soil is important.
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