Answers

2014-07-15T14:13:09+05:30
1.By stopping their excessive use.
2.Use of renewable sources.
3.Material and energy input should not exceed the capacity so that environment can not absorb it.
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2014-07-15T15:25:26+05:30

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1.By reducing their excessive use.
2.Use of renewable sources of energy.
3.Sustainable use of the minerals for getting  maximal result without harming the environment.
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