Question

what is sustainablevdevelopment ? why is it necessary? (b) what is water harvesting? list its four benefits.

Answer 1

it is necessary for resources because it prevent the more consumption of the resources and save for future generation

Answer 2

The goal of sustainable developmentis to meet the needs of today, without compromising the needs of tomorrow. This means we cannot continue using current levels of resources as this will not leave enough for future generations. Stabilising and reducing carbon emissions is key to living within environmental limits.
The importance of finding a sustainable future is rooted in three issues that are very much linked to one another:
1) fossil fuel depletion,
2) climate change due to CO2 emissions
3) the increasing costs of energy and water.

Another answer

(B. ) Rainwater harvesting is one of the methods that can be used for water conservation.
technique or strategy for the collection of rainwater and storing it in the right way for future use. The water can be collected from various surfaces and platforms and stored for later use. In most cases, the water is usually collected from rooftops and other hard surfaces. Rainwater harvesting is considered as a very reliable way to conserve water.


Advantages of Rainwater Harvesting :

1. Easy to Maintain

2. Reducing Water Bill

3. Suitable for Irrigation

4. Reduce demand on Ground Water
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