Enviropaedia | Environmental Encyclopedia

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41-50 of 50 for the Category : Air and the Subcategory : Air Quality

Petrochemicals

( Article Type: Explanation )

The petrochemicals industry is broadly defined as that industrial activity that uses petroleum or natural gas as a source of raw materials, and whose products are neither fuels nor fertiliser.

Photochemical Smog

( Article Type: Explanation )

Photochemical smog comprises a number of chemicals, mainly ozone, aldehydes, peroxyacetylnitrates (PANs) and nitric acid.

Pollution comes in many forms and types. In its broadest sense, pollution can be described as the result of the release to air, water or soil from any process or of any substance, which is capable of causing harm to man or other living organisms supp

Scrubber

( Article Type: Explanation )

A 'scrubber' is the common term used to describe a piece of equipment that is designed to remove or 'scrub' toxic gases and other materials from the gases emerging from a chimney.

Sick Building Syndrome

( Article Type: Explanation )

‘Sick building syndrome’ describes human illness characteristics that are brought about by air-conditioned buildings that do not introduce sufficient fresh air to the air-conditioning systems or filter, or clean the air passing through the air co

Sulphur Dioxide

( Article Type: Explanation )

Sulphur dioxide (SO2) is a colourless, acrid gas formed by the combustion of sulphur. It is an oxidising and reducing agent and is used as a refrigerant, disinfectant, preservative and bleach.

Transboundary or Transfrontier Pollution

( Article Type: Explanation )

This is pollution that is generated in one country and is carried via air or water to another country where it causes damage, illness or nuisance.

Tropical Rain Forest

( Article Type: Explanation )

Tropical rain forests appear like a girdle around the equator and occupy approximately 8% of the earth's land surface, yet they comprise about half of all growing wood on the face of the earth and provide habitats for at least two fifths of all the

VOCs (Volatile Organic Compounds)

( Article Type: Explanation )

VOCs are primarily the lighter ‘fractions’ of oil or hydrocarbons, that is, the parts that evaporates easily because they have a low boiling point.

Waste Management

( Article Type: Overview )

Waste management in South Africa is based on the principles of the White Paper on Integrated Pollution and Waste Management (IP&WM) and the National Waste Management Strategy (NWMS) published by the Department of Environmental Affairs and Tourism in