Urban heat and cool island effects controlled by agriculture and irrigation

As Earth’s climate continues to warm, the urban heat island effect raises concerns that city-dwellers will suffer more heat stress than their rural counterparts. However, new research suggests that some cities actually experience a cooling effect. More than 60 percent of urban areas in India experience a day-time cooling effect, according to the study, which was published in Scientific Reports. The cooling effect has been observed in the past, but this paper is the first to directly identify a cause: lack of moisture and vegetation in non-urban areas surrounding the city.

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