(i) What is sustainable development? Why is it necessary? (ii) What is

1.	(i) What is sustainable development? Why is it necessary? (ii) What is water harvesting? List its four benefits.
Answer» (i) Sustainable development: Development which meets the current basic human needs, while preserving the resources for the needs of future generation. It is necessary for environmental conservation. (ii) Water harvesting: It is a method to capture every trickle of water that falls on the land. Following are some benefits of water harvesting: (a) Recharges wells/Ground water. (b) Provides moisture for vegetation. (c) It is not lost by evaporation. (d) It does not provide a breeding place for mosquitoes. (e) Prevents ground water from contamination due to human and animal wastes.

(i) What is sustainable development? Why is it necessary? (ii) What is water harvesting? List its four benefits.

Answer»

(i) Sustainable development: Development which meets the current basic human needs, while preserving the resources for the needs of future generation. It is necessary for environmental conservation.

(ii) Water harvesting: It is a method to capture every trickle of water that falls on the land. Following are some benefits of water harvesting:

(a) Recharges wells/Ground water.

(b) Provides moisture for vegetation.

(d) It does not provide a breeding place for mosquitoes.

(e) Prevents ground water from contamination due to human and animal wastes.

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