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What are Urban Heat Islands? Identifying the reasons behind their creation, discuss the measures which can help counter them.
Areas within cities with mostly concrete big buildings and less vegetation, which experience significantly higher temperatures compared to their surrounding rural areas are called heat Islands. Causes: 1. Lack of greenery- reduces shade and cooling of surroundings. 2. Building material and dark coloRead more
Areas within cities with mostly concrete big buildings and less vegetation, which experience significantly higher temperatures compared to their surrounding rural areas are called heat Islands.
See lessCauses:
1. Lack of greenery- reduces shade and cooling of surroundings.
2. Building material and dark color of buildings absorb more sunlight and reflect less.
3. Poor urban planning: Hindrance in air circulation because of big buildings and narrow streets which restrict natural cooling.
Measures:
1. Urban planning: Broad streets with better water infiltration techniques & reducing surface runoff result in better circulation of air and less heating.
2. Green spaces: Planting trees, creating more parks, which increase shaded areas and reflect more sunlight.
3. Roofs & terraces should be painted white to reflect more heat.
4. Implement programs like Ahmedabad’s cool roof program which offers affordable solutions for urban heat islands and Green building code.
However, To prevent the creation of more buildings and reduce the heat island effect, the government must run awareness campaigns in schools, colleges, offices, and on social media platforms through ads. Additionally, they should plant more trees and create more parks.