What is Water Footprint?
The quantitative & qualitative decline in water due to its use in social or economic event during a period of time is called as Water Footprint.
Water Footprint is also called as Virtual water.
What are the components of Water Footprints?
Water Footprint have 3 components:-
(A) Blue Water Footprint:- It is the volume of fresh water evaporated from blue water resources( which are surface water and ground water) for consumption of social & economic purposes.
(B) Green Water Footprint :- It is the volume of water evaporated from the green water resources (which are rainwater stored in the soil as soil moisture).
(C) Grey Water Footprint:- It is the volume of polluted water related with production of all goods and services for an individual or entire community.
Some of the economic activities which have high water footprints are:-
1-Expansion of Paddy & sugarcane cultivation.
3-Rising living standards.