Sri Lanka, June 25 -- Operating aircraft burning hydrocarbons contributes around 2.5% of the total carbon dioxide (CO2) emissions caused by human activities, Sustainability and Civil Aviation Specialist and Aviation Research Leader Nuranga Adikari said.

Speaking at the 91st Air Dream programme organised by the Airport and Aviation Services (Sri Lanka) (Private) Limited (AASL) at the authority's auditorium, Adikari highlighted the environmental impact of aviation emissions. He noted that by 2019, the global aviation sector had emitted approximately 600 million tons of CO2 into the atmosphere.

He further explained that alongside CO2, aircraft also release nitrogen oxide and sulfur dioxide, though in comparatively lower quantities.

"With ...