Analyse the economic and social values of rainwater harvesting.
The economic and social values of rainwater harvesting:
(i) It is a low cost and eco-friendly technique for preserving every drop of water by guiding the rain water to bore well, pits and wells.
(ii) Rainwater harvesting increases water availability and checks the declining ground water table.
(iii) Improves the quality of groundwater through dilution of contaminants like fluoride and nitrates.
“Scarcity of water on account of its increased demand, possess possibility the greatest demand in India.” Analyse the statement.
Study the given diagram and answer the questions that follow:
(18.1) Which sectors accounts for most of the groundwater utilisation? Give one reason.
(18.2) Why is the share of water utilisation in domestic sector lower in groundwater as compared to surface water?
Mention any two sources of water pollutants created by humans.
“ ‘Erratic monsoon’ and ‘Indebtedness’ are the major problems of Indian agriculture.” Suggest and explain the measures to overcome these problems.
