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1-10 of 50 for the Category : Air and the Subcategory : Air Quality

Aerosol

( Article Type: Explanation )

The word ‘aerosol’ describes the dispersion, through the air, of minute solid or liquid particles that are so light that they fall to the earth very slowly.

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Air Quality

( Article Type: Overview )

South Africa is plagued by a number of pressing and persistent air pollution problems in addition to facing various new emerging air pollution issues. High ambient sulphur dioxide and fine particulate concentrations experienced in many urban areas ar

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Asbestos

( Article Type: Explanation )

Asbestos is the fibrous form of several silicate minerals. Its physical characteristics of being a good insulator, fire resistant and chemically inert have made it invaluable to many areas of commerce and industry. However, asbestos proves a serious

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Carbon Dioxide

( Article Type: Explanation )

Carbon dioxide is a gas that occurs naturally in the air and is produced when animals breathe, vegetation rots and when material containing carbon is burnt or broken down. Carbon dioxide is a key component in photosynthesis, which is the major base s

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Carbon disclosure project (The)

( Article Type: Explanation )

The Carbon Disclosure Project (CDP) is a UK-based not-for-profit organisation holding the largest database of corporate climate change information in the world.

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Carbon Monoxide

( Article Type: Explanation )

Carbon monoxide is a colourless gas produced by incomplete combustion, mainly from motor vehicles and cigarettes. It is found naturally in the atmosphere in minute quantities.

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Carbon storage/ Sequestration

( Article Type: Explanation )

Carbon sequestration is the process by which carbon is removed (naturally or artificially) from the atmosphere and effectively placed in storage.

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Carbon Trading

( Article Type: Explanation )

Carbon Trading (also known as Emissions Trading or 'Cap and Trade') is a market-based mechanism designed to reduce greenhouse gas (GHG) emissions in commerce and industry by creating an economic incentive.

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Carcinogens

( Article Type: Explanation )

A carcinogen is any substance that is capable of causing cancer in animal tissues. Doctors and scientists do not fully understand how carcinogens cause cancer but much is known about the kinds of substances that cause the cancers.

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Catalytic Converters

( Article Type: Explanation )

Certain metals have the property to act as catalysts. This is a characteristic, that enables them to promote, speed up or make more efficient, certain chemical reactions without being permanently changed themselves.

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