Stubble Burning | How the Green Revolution has left behind grey skies

Stubble-burning is an unintended consequence of the technology developed for the Green Revolution. Some estimates say farmers in northern India burn about 23 million tonnes of paddy stubble every year 

from Moneycontrol Latest News https://www.moneycontrol.com/news/politics/stubble-burning-|-howgreen-revolution-has-left-behind-grey-skies_15583101.html