the business of cutting down trees and transporting the logs to sawmills
Back
Card 17
Front
the removal of solid mineral resources from the earth.These resources include ores,which contain commercially valuable amounts of metals - iron and aluminium;precious stones - diamonds,buildings stones - granite;an fuels -coal/oil
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Card 18
Front
the cutting out of tress which are mature or inferior to encourage the growth of the remaining trees in a forest/ wood
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Card 19
Front
removal of topsoil faster than it can be replaced, due to natural(water and wind action) animal and human activity. Topsoil is the top layer of soil and is the most fertile because it contains the most organic nutrient rich materials
Back
Card 20
Front
a type of agriculture producing food and materials for the benefit only of the farmer and his family
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Card 21
Front
actions and forms of progress that meet the needs of the present without reducing the ability of future generations to meet their needs
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Card 22
Front
technology that is suited to the needs,skills,knowledge and wealth of local people in the enviroment in which they live.It uses simple ideas with cheap and readily available materials,especialused in poorer countries,and is enviromentally friendly
Back
Card 23
Front
the process by which land becomes drier and degraded, as a result of climate chang or human activities of both
Back
Card 24
Front
parts of the world that have higher average temperatures and very low percipitation
