Smog, beyond that dense fog Smog is a mixture of air pollutants that accumulate in the atmosphere, especially in urban areas. This phenomenon is characterised by the formation of a dense layer of pollution whose appearance is between smoke and fog (from which comes...
Environmental justice on air quality issues is crucial to ensure that all communities, especially those in areas of high traffic and industrial activity, along with those with the most vulnerable and marginalised populations, receive equitable protection from the...
Controlling air quality is an essential task in order to enjoy optimal environmental conditions for healthy human development and to keep the environment in good condition. Societal developments are the primary cause of high levels of pollutants, especially in urban...
Methane, known chemically as CH₄, is a gas that is harmful to the atmosphere and to living beings because it has a high heat-trapping capacity. For this reason, it is the second largest contributor to the greenhouse effect after carbon dioxide (CO2). It is a simple...
Tropospheric ozone (O3) or ground-level ozone is a gas found in the lowest layer of the Earth’s atmosphere, the troposphere, which extends up to 10 kilometres. Also known as surface or ambient ozone, it becomes a harmful air pollutant when it comes into contact...