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41-50 of 52 for the Category : Health and the Subcategory : Environmental Health

Organic Farming

( Article Type: Explanation )

Organic farming is the way that our food was grown for thousands of years and is nothing new. What IS new is the indiscriminate use of chemical fertilizers, herbicides and pesticides that are now being used to grow our food.

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( Article Type: Explanation )

Oxygen is a colourless, odourless, tasteless gas that is essential to life on earth. Its most important compound is water (H2O).

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( Article Type: Explanation )

The ozone layer occurs in the upper atmosphere (strato-sphere) surrounding the earth. It protects life on earth by absorbing most of the harmful ultra-violet rays (such as UV-B radiation) coming from the sun before they reach the earth.

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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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( 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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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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( Article Type: Explanation )

Plastics are synthetic substances, which can be moulded and formed when soft and then set.

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Polluter Pays Principle

( Article Type: Explanation )

This is a basic economic principle (currently being adopted in legislation by many countries) that requires the producers or generators of pollution to pay for the costs of avoiding pollution or of cleaning up or remedying its effects.

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( Article Type: Explanation )

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

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