Every year on September 16, the world marks the International Day for the Preservation of the Ozone Layer. This year’s theme, "From science to global action," highlights how scientific breakthroughs drive policies that protect our atmosphere.
Since the Montreal Protocol was signed in 1987 and the International Day was proclaimed in 1994, global emissions of ozone-depleting substances (ODS) have plunged by 99 percent. The United Nations Environment Programme predicts the ozone layer will recover to pre-1980 levels by mid-century in most regions, helping avoid about 0.5 °C of warming by 2100.
The Chinese mainland has emerged as a pivotal contributor to this success. Through updated regulations, investments in eco-friendly refrigeration technologies and collaborative research with international partners, it has significantly curbed ODS emissions. Chinese experts now share data and best practices at scientific forums, reinforcing a model where local action fuels global impact.
Looking ahead, the path to a fully restored ozone layer hinges on sustained commitment. From urban innovation hubs to government agencies, turning scientific insights into real-world solutions remains the key to safeguarding the sky—and with it, the planet’s climate.
Reference(s):
cgtn.com
