Question

Explain any two examples of sustainable use of resources.

Answer 1

1. Sustainable Use of Water: The following steps can be taken for this purpose:
   1. Build many small reservoirs in place of a few big projects.
   2. Encourage and improve traditional methods of rainwater harvesting and storage.
   3. Use drip irrigation and other water conservation measures in agriculture.
   4. Prevent leakages from dams and canals.
   5. Protect wet lands.
   6. Protect water bodies from effluents and toxic materials.
   7. Check over the exploitation of surface and groundwater.
2. Sustainable Use of Energy: The steps needed for this purpose are as follows:
   1. Use alternative sources of fuel, such as hydrogen, methanol, biogas, solar energy, etc.
   2. Develop fuel-efficient and smokeless chullahs.
   3. Solar cooking does not burn any fuel and is the most eco-friendly option.
   4. Solar cookers help preserve forests, save foreign exchange spent on kerosene and cooking gas and create employment opportunities.