![]() ![]() As one of the first in the city, the Chicago City Hall’s green roof with over 20,000 plants helped encourage other buildings in the city to adopt green roofs as well.The Facebook headquarters in Menlo Park features a 9-acre green roof, the largest in the world at that scale.A few real-world examples of green roofs include: High-profile companies are increasingly adopting green roofs to symbolize their commitment to sustainability. ![]() They also reduce stormwater runoff, improve air quality, and create biodiverse habitats to support birds, butterflies, and bees. Adding green space in urban areas counteracts the “heat island” effect of cities, cooling the surrounding air temperatures. Green roofs can help make cities more sustainable in a few different ways. Vegetation: At the top layer, selected vegetation, such as low-maintenance plants, grasses, and sometimes even small trees, grow in the growing medium to create a living ecosystem on a building’s roof.It must be lightweight to reduce the overall weight on the roof. Growing medium: Growing mediums are specially designed soil-like substrates where plants can take root and grow.Drainage layer: This layer ensures excess water can easily drain away, preventing water logging on the roof.Root barrier: A root barrier is installed above the waterproof membrane to prevent plant roots from penetrating and damaging the roofing material.Waterproof membrane: The first layer is a waterproof membrane that prevents water from seeping into the building structure.Retrofitted with a layered vegetative covering, green rooftops use several vital components to create a living ecosystem on an otherwise unused roof. As the commercial real estate industry continues to focus on sustainability and ESG principles, green roofs present an impactful opportunity. It provides economic, social, and environmental benefits. What is a green roof or rooftop?Ī green roof, also known as a living roof, refers to a conventional rooftop retrofitted with a layered vegetative covering. ![]() As stakeholders continue to prioritize ESG principles, green roofs offer a visually striking way to showcase a commitment to the planet and the local community. 11 refs.By retrofitting rooftops with lush vegetation, commercial property owners can create thriving green oases that provide economic, social, and environmental benefits. The responsibility for managing the Roof Garden was delegated by the Society to the IGRI. This project covers approximately 10,000 square meters designed to address flooding and study the impact of climatic, technical, and biological factors on green roofs. The world's first demonstration project of green roofs was inaugurated in 2001 at the Augustenborg Botanical Roof Garden, located in Malmo, Sweden on the Southwest front line to Europe. The International Green Roof Journal is published by the IGRI. ![]() It is a non-government organization owned by municipalities, environmentally friendly industries and universities. The International Green Roof Institute (IGRI) is also responsible for achieving the same goal. Founded in 1999, the Green Roof Society is a Swedish non-profit organization whose goal is to promote sustainable development through the implementation of green roofs in urban areas. The author suggests that the re-creation of urban green spaces can be accomplished through the widespread adoption of green roofs. Accelerated urbanization can result in a dramatic decline in vegetation, floral and animal species. ![]()
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