Notes and Study material for Exams
The Montreal Protocol is an international treaty that was signed in 1987 to protect the ozone layer. It is one of the most successful international environmental treaties ever negotiated. The treaty has been ratified by 197 countries and has helped to reduce the production and consumption of ozone-depleting substances by more than 99%. The Montreal … Read more
Chlorofluorocarbons (CFCs) are a group of man-made chemicals that were once widely used in refrigerators, air conditioners, and aerosol cans. CFCs are very stable and do not break down easily in the atmosphere. When CFCs reach the upper atmosphere, they are broken down by ultraviolet radiation and release chlorine atoms. Chlorine atoms react with ozone … Read more
Here is a list of subtopics about perfluorocarbons: History Properties Production Applications Health effects Environmental impact Regulation Alternatives Perfluorocarbons (PFCs) are a group of man-made chemicals that are very stable and do not break down in the environment. They are used in a variety of products, including Teflon, Scotchgard, and fire-fighting foams. PFCs have been … Read more
Hydrofluorocarbons (HFCs) are a group of man-made chemicals that are used in a variety of applications, including refrigeration, air conditioning, and aerosol propellants. HFCs are non-ozone-depleting, but they are potent greenhouse gases. As a result, HFCs are being phased out in favor of less potent alternatives. The following are some of the subtopics related to … Read more
Fluorinated gases Greenhouse gases Ozone depletion Climate change Montreal Protocol Kigali Amendment Hydrofluorocarbons (HFCs) Perfluorocarbons (PFCs) Sulfur hexafluoride (SF6) Nitrogen trifluoride (NF3) Alternatives to fluorinated gases Regulation of fluorinated gases Environmental impact of fluorinated gases Health impact of fluorinated gases Economics of fluorinated gases Future of fluorinated gases Fluorinated gases are a group of man-made … Read more