Biswendu BhattacharjeeBelem (Brazil), Nov. 18 -- India has emerged as a significant contributor to global methane emissions, primarily due to the burning of agricultural stubble, as highlighted by the United Nations Environment Programme (UNEP) report.

This practice has been a major factor in exacerbating air pollution across the nation, particularly in Delhi, where toxic particulate matter is prevalent. The UNEP ranks India as the world's third-largest emitter of methane, trailing only China and the United States, with current emissions estimated at around 31 million tonnes (Mt).

The G20 nations, which include India, account for 65 per cent of the world's total emissions, as noted by UNEP experts, with global methane production reaching ...