Answer:
Water conservation
Step-by-step explanation:
Water conservation includes all the policies, activity and procedures that are needed to sustainably manage the water resources of any nation. Water conservation may for any locality include waste management, proper disposal systems, sewage treatment other strategies that aim at water conservation include rainwater harvesting in the area so water can be reuse in difficult conditions. Wastage of water from all means should be checked at all costs. Water should be collected in aquifers and judiciously used.