Tag: harmful gas

Scientists said on Tuesday that international efforts to protect the ozone layer had been a "huge success" after they revealed that the harmful gas in the atmosphere is declining faster than previously thought. The Montreal Protocol, signed in 1987, aims to detect ozone-depleting substances found mainly in refrigerants, air conditioners, and aerosol sprays. New research has found that atmospheric levels of hydrochlorofluorocarbons (HCFCs), harmful gases that cause holes in the ozone layer, will rise in 2021—five years earlier than predicted. "This is a big achievement. We can see that things are going in the right direction," the lead author of the study, Luke Western, from the from the University of Bristol in England, told AFP. The most harmful CFCs were phased out in 2010 to...