World Ozone Day is a good reminder of what refrigerants used in millions of air-conditioners do to environment. Hydrofluorocarbons heat up earth even more than CO2. The ozone hole is healing. The layer that shields us from the sun’s deadly ultraviolet rays was severely damaged by chemicals like chlorofluorocarbons (CFCs) [...]

One of the reasons that make the recently-concluded climate conference in Kigali, Rwanda, notable is that 197 countries came together and signed the first legally-binding climate treaty of the 21st century. At the 28th Meeting of Parties of the Montreal Protocol, countries agreed to adopt an amendment of the Protocol [...]