Answers

2014-03-05T18:51:25+05:30
By applying the method of sustainable development. sustainable development means fulfilling our basic needs and at the same time saving the resource used by us for the future generation.
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2014-03-05T19:35:55+05:30
-by not cutting the trees
-by not disposing the waste into the environment
-should not use too much of fossil fuels

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