It takes more than a patch of green to make a city sustainable.
of green space, saving the local economy around $211 million. That in itself covers most of the cost of landscaping and upkeep.Green spaces are important—there’s no denying that. But can planting a few trees protect entire communities from heat islands and stormwater pollution? Not at the same time, at least.
In a sense, the benefits of a green space depend largely on its environment. For instance, Cuthbert explains, green roofs in certain rainy climates might corrupt water supplies if their materials Parks are a separate case, meanwhile: Their size and makeup make all the difference. Ecosystem services like carbon sequestration, seed dispersal, erosion control, water and air purification, and better habitat quality all vary based on what’s planted.
, environmental scientists found that parks with mixed forest settings had the highest amount of ecosystem benefits, especially air quality. Lawn-type environments, however, offered the best seed dispersal.
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