Delhi's Indira Gandhi International Airport became the first Indian airport of its size (over 40 million passengers a year) to be:
- Aplastic-free
- Bwater-positive
- Ccarbon-negative
- Drun fully on solar power
Show answer and explanation
Correct answer: (b) water-positive
Explanation
IGIA became water-positive: it saves or recharges more water than it uses.