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?

Let's evaluate each statement regarding 'Earth Hour':

1. It is an initiative of UNEP and UNESCO. This statement is incorrect. Earth Hour is a worldwide movement organized by the World Wide Fund for Nature (WWF). It started in Sydney, Australia, in 2007 and has since grown into a global event. UNEP (United Nations Environment Programme) and UNESCO (United Nations Educational, Scientific and Cultural Organization) are not the primary organizers.

2. It is a movement in which the participants switch off the lights for one hour on a certain day every year. This statement is correct. Earth Hour encourages individuals, communities, and businesses to turn off non-essential electric lights for one hour, typically on the last Saturday of March, as a symbolic gesture of commitment to the planet.

3. It is a movement to raise the awareness about the climate change and the need to save the planet. This statement is correct. The primary aim of Earth Hour is to raise global awareness about climate change, biodiversity loss, and the urgent need for action towards a sustainable future.

Therefore, statements 2 and 3 are correct.