As rapidly-expanding Guwahati, northeast India’s largest metropolis, gears up to clean its air under the National Clean Air Policy (NCAP), a study suggests a cocktail of natural and man-made pollutants wafting through the air is tinkering with the city’s rainwater quality. Guwahati in Assam is among the 122 ‘non-attainment’ cities identified for implementing mitigation actions … Continue reading Natural, man-made air pollutants tinkering with Guwahati’s rainwater