CFC-11 makes a very efficient "blowing agent" for polyurethane foam ... reverse the healing that's starting to take place in the ozone layer. China's polyurethane foam makes up about one-third ...
The ozone layer is a part of Earth’s atmosphere that captures some of the Sun’s ultraviolet (UV) light emissions. When the ozone layer is compromised, its ability to absorb radiation weakens ...
On 16 September, the world will mark the International Day for the Preservation of the Ozone Layer. It was on this day, 35 years ago, that the Montreal Protocol, considered one of the most ...