1. New Amenity Spaces
green roofs will certainly re-create the lost connection we have with public space. Community gardens, recreational spaces, and places to meet and relax will improve the social life of people living nearby.
2. Aesthetic Improvement There is raising awareness about the fact that our cities have become this huge pile of ugly, gray concrete. green roofs can help make our cities aesthetically pleasing.
3. Stormwater Management Green roofs help in reducing the amount of stormwater runoff. In summer, green roofs retain 70-90% of the precipitation that falls on them; in winter they retain between 25-40%. A grass roof with a 4-20 cm layer of growing medium can hold 10-15 cm of water.
4. Improved Air Quality The plants on green roofs can capture airborne pollutants as well as filter harmful gases. The temperature-moderating effects of green roofs can reduce demand on power plants, and potentially decrease the amount of CO2 being released into the air.
5. Improves Health and Well-being This is both in terms of physical and psychological health. Plants and green areas mitigate air and water pollution whilst in psychological aspects, they can serve as community hubs that increase social cohesion and public safety.
6. Raising the Value of the Buildings A green roof can increase a building’s marketability. Having a green roof raises the price of the properties in the real estate market.
7. Noise Reduction Green roofs have excellent noise reduction properties. An extensive green roof can reduce sound from outside by 40 decibels, while an intensive one can reduce sound by 46-50 decibels
8. Biodiversity & Wildlife This is done not only by sustaining a variety of plants and invertebrates, but also providing a habitat for birds.
9. Energy Efficiency Green roofs offer insulation which reduces the amount of energy needed to moderate the temperature of a building, as roofs are the cause of the greatest heat loss in the winter and the greatest temperature gain in the summer.
10. Reduction of Electromagnetic Radiation Green roofs is capable of reducing electromagnetic radiation penetration by a considerable amount.
11. Agricultural Products As a site for an urban agriculture project, they can reduce a community’s carbon footprint through the creation of a local food system. People can grow vegetables and other agricultural products, serving as community empowerment.
12. Moderation of Urban Heat Island (Albedo Effect) Due to the evaporation cycle, plants are able to cool cities during hot summer months and reduce the Urban Heat Island(UHI) effect.
13. Waste Diversion Green roofs can prolong the life of waterproofing membranes and even the service life of heating, ventilation, and HVAC systems
14. Local Job Creation The growth of the green roof market generates new job opportunities related to manufacturing, plant growth, design, installation, and maintenance.
15. It can Provide Natural Shading This of course depends on the type of green roof. If there are high plants or trees (intensive green roof), they create possibilities for natural shade in summer, creating a nice environment to stay in.
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