Minerals 張保興 副教授 淡江大學水資源暨環境工程學系

LIFE QUALITY

參考書 [1] Raven, Peter H., Berg, Linda R., and Johnson, George B., Environment, 2nd ed., Saunders College Publishing, –P341,

Strategies to expand mineral supplies Substitution: –expensive or scarce one ==> inexpensive or abundant material example: glass fiber ==> copper wire

Conservation ( 保育，節約 ): –Recycling: example: Beverage cans are collected, remelted, and reprocessed into new products. –Reuse: example: Beverage bottles are collected, washed, and refilled becoming new products.

Changing our mineral requirements: –Our society is a throwaway society. We throwaway items such as PCs, furniture, commercial leaflets, …. –This throwaway attitude has been encouraged by industries looking for short-term economic profits, even though the long-term economic and environmental costs of such an attitude are high.

Dematerialization: –As products evolve, they tend to become lighter in weight and often smaller. –The huge computer below is called ENIAC. I was told that the capacity of it is the same as the PC 386 or 286. TheENIACStory.htm