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��������� It' was estimated that world population will reach six billions in the approaching millenium. The number amass within a few past decades. Over half of the population resides inside the central city core in most countries. The very high growth rate accompanied by the urban cluster pattern of development, place severe stress on the world's natural systems. For example, meeting the demands for water, homes, industry and agriculture land is already difficult in majority parts of the third world and may well become a problem in developed countries as growth spreads. Rapid growth and high consumer lifestyles lead to serious problems with waste management and resources overexploitation. � ��������� In the third world where /family planning/ is less concerned or contraceptive is against religious notion, population multiply in the rate that nature may not be able to supply people adequately if growth still continue for only decades. Communities have to extend their boundaries to acquire for food and land whereas almost of supportive areas yield less than ample. Starvation drives men to exploit marginal land while burning sun and freezing wind chase men to cut down their last timberland for man-made shelters. But limited resources curb all. Not every land provides forest for its people. Though we may find wood left for building a house today, but the house will not last for long, and there will be not enough trees for our children whose population density will be greater, tomorrow.��� � |
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