A study by the University of Bristol published in 'Nature Climate Change' reports a significant decrease in ozone-depleting substances, especially HCFCs.

These substances, previously used in products like refrigerators and aerosol sprays, have declined due to Montreal Protocol regulations.

The study shows that total ozone-depleting chlorine in HCFCs peaked in 2021, five years earlier than projected, indicating effective multilateral agreements and regulations.

The reduction aids in ozone layer recovery and combats global warming, as HCFCs are potent greenhouse gases.

The study stresses the need for strict controls and promotion of ozone-friendly alternatives to maintain these positive outcomes.

Ongoing environmental monitoring is crucial for protecting the planet for future generations.