Urban Heat Island (UHI) Effect arises due to absorption of incident radiation from the sun by built surfaces of tall buildings, roof, concrete structures and asphalt roads and then releasing it in the form of heat. The term “urban heat island” describes the built-up areas that are significantly hotter than the surrounding open, natural or rural areas. It occurs on the surface and in the atmosphere. The built surfaces are made of high-percentage of non-reflective and water-resistant construction materials. These materials act as heat sinks that absorb the radiated heat and store it for long time. The Urban Heat Island … Continue reading →
World Habitat Day is observed every year on the first Monday of October throughout the world. It was established in 1985 by the United Nations General Assembly through Resolution 40/202 and was first celebrated in 1986 with the theme “Shelter is My Right”. The purpose of the day is to reflect on the state of our urban areas and the basic human right regarding provision of adequate shelter to all human beings. World Habitat Day (or WHD) also aims to remind the planners and government officials of the collective responsibility for the habitat of future generations and a day to encourage grassroots … Continue reading →
Urban green roofs have long been promoted as an easy and effective strategy for beautifying the built environment and increasing investment opportunity. The building roof is very important because it has a direct impact on thermal comfort and energy conservation in and around buildings. Urban green roofs can help to address the lack of green space in many urban areas. Urban green roofs provides the city with open spaces that helps reduce urban heat island effect and provides the human population on the site with a connection to the outdoors. However, we must differentiate between two types of urban green … Continue reading →
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