Heat wave and climate change and chennai
chennai adopt a Climate Action Plan but there is scope for much improvement towards better liveability year 2023 was by far the hottest a recent World Meteorological Organization (WMO) report said. Global average temperatures reached 1.45° C higher than pre-industrial levels, almost touching the 1.5° C limit set in the Paris Agreement. Scientists predict that 2024 could be similar. The reality of the urban heat island Urban Heat Island (UHI) effect 1 In cities, this problem is exacerbated by a phenomenon termed the Urban Heat Island (UHI) effect. 2 Temperatures in large, crowded urban settings can be several degrees higher than in surrounding rural areas, and even hotter at night. 3 Concrete structures and tarmac roads retain heat which stays trapped inside this “urban bubble” along with air pollutants. A lack of green spaces and waste heat from air conditioners and other machinery add to the UHI. Chennai, a coas...