Internet of things to save water

https://timesofindia.indiatimes.com/city/bengaluru/iot-helps-utilise-waste-water-at-in-mall-flats/articleshow/68529370.cms

Trash segregation

https://trashcon.in/

Sustainable apartment complex

https://www.thebetterindia.com/143646/mumbai-apartment-recycles-8000-kg-waste-own-organic-food/?utm_source=facebook&utm_medium=reshare&utm_campaign=organic