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Quick answer：Roof greenery, also known as green roofs, involves the installation of vegetation on building roofs. This practice offers several benefits, such as improved energy efficiency, stormwater management, and increased biodiversity. Planters or trays, often referred to as 'slots' or 'boxes,' are used to support the growth of plants on roofs. These can be designed to accommodate various types of plants, from herbs to shrubs. Roof gardens are becoming increasingly popular in urban environments, providing aesthetic value and contributing to a healthier urban ecosystem.
