Researchers have detected a significant decrease in hydrochlorofluorocarbons in the atmosphere, marking progress in global efforts to protect the ozone layer and mitigate climate change. In short:Atmospheric levels of hydrochlorofluorocarbons (HCFCs), harmful gases from air conditioning and refrigeration, have significantly dropped since peaking in 2021. The decline follows the 1987 Montreal Protocol, which phased out ozone-depleting substances like HCFCs. Researchers expect HCFC levels to return to 1980 levels by 2080, highlighting the success of international cooperation. This success offers hope and a model for addressing climate change challenges, which are crucial as greenhouse gas emissions continue to rise.

Source: Washington Post June 12, 2024 23:29 UTC