Lancet released a series on ‘heat and health’ recently which emphasized the rising temperature of the world and solutions to such questions to fight heat stress. It suggested using A/Cs to keep a flow of cool air indoors.
The authors of the Lancet papers have offered solutions to maintain cool temperature in cities. Fountains providing spray with moving water to accelerate evaporative cooling, grasslands with trees, large bodies of water, reducing road and vehicle density, canopies located over outdoor areas, increasing insulation of roofs and walls to reduce net conductive heat flow from the outdoor to indoor environment are some of the solutions offered. Indian Meteorological Organization has reported 2020 to be the eighth warmest year in India. Sustainability needs to be incorporated in every element of our cities from architecture to energy supply to fall under the 1.5°C limit.
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