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( Article Type: Explanation )

Natural paints are made from renewable natural ingredients that are safe to use as they avoid toxic substances and safe to throw away as they are 100% biodegradable.

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Paper Recycling in South Africa

( Article Type: Explanation )

Recycled paper fibre has been used as a raw material in paper, paper packaging and tissue production since 1920. Some 65% of South African paper mills depend on recycled fibre and a number of them use it as their only fibre source.

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( Article Type: Explanation )

Particulates is the term used to describe either particles of solid matter or droplets of liquid that are small or light enough to remain suspended in the atmosphere for short periods of time.

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( Article Type: Explanation )

The concept of permaculture was developed in the 1970s by two Australians, Bill Mollison and David Holmgrem. By thinking about the consequences of humankind’s actions, combining this with old wisdom, skills and knowledge of plant, animal and social

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Pesticide Treadmill

( Article Type: Explanation )

The pesticide treadmill is a term indicating a situation in which it becomes necessary for a farmer to continue using pesticides regularly because they have become an indispensable part of an agricultural cycle.

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( Article Type: Explanation )

Pesticides can be categorised as a diverse group of chemicals that kill insects.

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PET - Polyethylene terephthalate

( Article Type: Explanation )

PET (Polyethylene terephthalate) use in South Africa

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( 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.

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pH Scale

( Article Type: Explanation )

The pH scale is a measure of either acidity or alkalinity. It is a logarithmically derived scale, which is presented as a scale from 1 to 14.

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Photochemical Smog

( Article Type: Explanation )

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

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