Term
| The growing of trees for the benefit of agriculture, as windbreaks or as protection against soil erosion |
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| Renewable sources of energy, such as solar and wind power, that offer an alternative to the use of fossil fuels |
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| Chemicals once used in foams, refrigerators, aerolas and airconditioning units. Their use in now banned because they were thought to be responsible for the destruction of the world's ozone layer and for part of the greenhouse effect |
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Definition
| Chloroflurocarbons (CFCs) |
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Term
| Long - term changes in the global atmospheric conditions |
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Term
| The deliberate clearing of forested land, often causing serious environmental problems such as soil erosion |
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Term
| A chronic shortage of food resulting in many people dying from starvation |
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| Carbon fuels such as coal, oil and natrual gas that cannot be 'remade' because it will take tens of millions of years for them to form again |
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| A term used to described those natural environments that are sensitive to, and easily abused by human activities |
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| A process whereby global temperatures rise over time |
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| A condition resulting when a person is unable to eat what is needed to maintain good health |
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| When pasture or grazing is unable to support the number of animals relying on it for food. The result is the vegetation cover declines and soil erosion sets in |
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Term
| When a number of people in an area begins |
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| A person whose reasons for migrating are due to fear of persecution or death |
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| The washing or blowing away of topsoil so that the fertility or the remaining soil is greatly reduced |
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| A term used to describe actions that minimise megative impacts on the environment and promote human well-being |
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| A condition experienced by people and greatly influenced by the standard of living and quality of life |
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