UPSC CSE Prelims 2014 Q79 — Environment & Ecology PYQ with Answer

Consider the following statements regarding 'Earth Hour':

1. It is an initiative of UNEP and UNESCO.

2. It is a movement in which the participants switch off the lights for one hour on a certain day every year.

3. It is a movement to raise the awareness about the climate change and the need to save the planet.

Which of the statements given above is/are correct?