Which of the following is a key strategy for achieving 'Water Circularity' in urban areas?
- Once-through use and discharge
- Water reuse, rainwater harvesting, and decentralized treatment
- Exclusive reliance on groundwater
- Importing water from distant sources only
Answer: Water reuse, rainwater harvesting, and decentralized treatment
Circular water management closes loops by treating and reusing wastewater, capturing rainwater, and using nature-based solutions to enhance urban water resilience.