Which of the following environment events is observed by switching off all lights at homes, business establishments, landmarks and so on for an hour?
Answer & explanation
Correct answer: option 2
The correct answer is Option (2) - Earth Hour
The environment event observed by switching off all lights at homes, business establishments, landmarks, and so on for an hour is Earth Hour.
Earth Hour is a global event held annually on the last Saturday of March where people are encouraged to switch off their non-essential lights for an hour to raise awareness about climate change and energy conservation.