Cloud Seeding: History, Types, and Impacts
Cloud seeding is a weather-modification method. It was discovered by Vincent J. Schaefer, an American chemist in 1946 after WWII. Its purpose is to induce [...]
Chlorofluorocarbons (CFCs): Harmful Impacts and Alternatives
Chlorofluorocarbons (CFCs) are a type of hydrocarbons containing chlorine, fluorine, and carbon atoms. They are easy to compress, inert, low toxic, and are not flammable [...]
Ozone (O3): Reactions, Depletion, and Importance
Ozone (O3) is a highly reactive gas composed of three oxygen atoms. It is a man-made product in the troposphere but occurs naturally in the [...]
Photochemical Smog: Formation, Effects, and Reduction
Photochemical smog is a mixture of smoke, fog, and contaminants. It is formed when ozone-depleting substances such as nitrogen oxides, chlorofluorocarbons (CFCs), and volatile organic [...]
Primary and Secondary Pollutants
The introduction of compounds that are harmful to the environment is termed as pollution. Polluted air is a harmful combination of primary and secondary pollutants. [...]
