Begijnhof, Delft, The Netherlands © Pascal Vyncke, SeniorenNet.be

Vary species and types

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Each plant has a specific purification capacity and thus is able to remove certain pollutants from the air. By planting various species and types together, pollutants can be partially captured from the air on a limited, local scale. Various types of vegetation (trees, bushes and groundcovers) have effect at different heights.