Word: protectedness
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Dates: during 1980-1989
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In the tropics the crucial question is how large a forest must be to sustain itself. If a park or protected area is too small to support some of its animal and plant life, the ecosystem will decline even with protection. As yet, no one knows the minimum critical size...
Experience has shown the Third World that destruction of forests can have disastrous consequences. Forests are vital watersheds that absorb excess moisture and anchor topsoil. Deforestation contributed to the recent droughts in Africa and the devastating mud slides in Rio de Janeiro last year. In Costa Rica topsoil eroded from...
For sustainable development to work, observed Paulo Nogueira-Neto, environmental adviser to the Brazilian Ministry of Culture, governments will have to devise comprehensive national zoning plans so that their countries can achieve the right mix of preservation and economic growth. Local residents can be encouraged to earn a livelihood in...
Paralleling the U.N.'s efforts, multilateral financial institutions have a crucial role to play. The World Bank, which lends money for Third World development projects, was long criticized by environmental groups for backing large, ecologically unsound programs -- a cattle-raising scheme in Botswana that led to overgrazing, for example. During...
Cholesterol in the bloodstream comes from two sources: it is produced naturally by the body's cells and also results from the intake of foods containing saturated fats or pure cholesterol -- for example, butter, cheese, liver, eggs and animal fat. In the Third World, where relatively little saturated fat and...