- Alagappa School Chennai, Niranthra Creations
- 1702 people
- India (Chennai)
The largest nature conservation lesson consists of 1702 people and was organised by Alagappa School Chennai and Niranthra Creations (both India) in Chennai, India, on 5 September 2019.
The school wanted to promote the importance of nature preservation to their students and teach them tips on how to be more eco-friendly in their everyday lives.