Kigali Amendment Hits Milestone 100th Ratification, Boosting Climate Action

The Kigali Amendment to the Montreal Protocol, an international agreement to cut the use of climate-warming hydrofluorocarbons (HFCs), has reached a major milestone, with Liberia becoming the 100th nation to ratify the Amendment, providing a welcome boost to global climate action. The Amendment targets a massive reduction in the use …

Arctic Ozone Depletion Tracks at Record Levels

Depletion of the ozone layer, ­ the shield that protects life on Earth from harmful levels of ultraviolet radiation, ­is at an unprecedented  level over large parts of the Arctic this spring. This phenomenon is caused by the continuing presence of ozone­-depleting substances in the atmosphere and a very cold …

A Road to Greener Development – China’s Story of Eliminating Freon

Ozone-depleting substances, or ODS, have posed a serious threat to the Earth’s fragile ozone layer. To mitigate the hazardous influence, in 1989, a universal agreement known as the Montreal Protocol on Substances that Deplete the Ozone Layer, entered into force. In 1991, China officially ratified the protocol. Since then, the …