Researchers examined the reasons in reducing effects of climate change. A study reveals that green rooves decreases maximum temperature between 1.5 and 6 degrees in long time period.
The scientists from Higher Technical School of Agricultural Engineering of the University of Seville recommend to have 207 to 740 hectares of green rooves. It requires 40% of buildings in the city. They obtained normalized difference vegetation index and ground temperature by Landsat 7 ETM+, Sentinel satellite images.
Observing inverse relationship between their values has determined the extra area of vegetation. At the same time it determines to reduce same amount of temperature estimated to increase in several climate changing models.
The green roove gardens in buildings helps in energy saving by better insulation.
“To mitigate the effects of climate change, we can talk about two types of options to attack it at its origin, by eliminating or reducing the human factors that contribute to it. Such as, reducing emissions, controlling pollution, etc. Developing strategies that allow for its effects to be reduced, such as, in the case that concerns us, increasing green areas in cities, using the tops of buildings as green rooves”, states the University of Seville researcher, Luis Pérez Urrestarazu.
By establishing the green roove gardens in buildings helps in energy saving by better insulation. Placing excess green rooves reduce the air pollution, decreasing high temperatures and improves the environmental conditions.
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