Rare 'triple-dip' La Nina improved air quality in north India, increased pollution in peninsular region in 2022-23, study says

Rare 'triple-dip' La Nina improved air quality in north India, increased pollution in peninsular region in 2022-23, study says

thehindu.com - get the latest breaking news, showbiz & celebrity photos, sport news & rumours, viral videos and top stories from thehindu.com Daily Mail and Mail on Sunday newspapers.