Over 3,500 saplings of 10 different species have already been planted in the organic garden, explains SayTrees in a Facebook post. An automated drip irrigation system will water these saplings every day, so it is sustainable. The organisation's volunteers will maintain the saplings. The garden on each side of the pillar is designed to increase its aesthetic value. SayTrees says it aims to cover all pillars of the over 9-kilometre flyover with similar vertical gardens and hopes
SayTrees explains they are a motley group of individuals - "software engineers at work and passionate tree lovers at heart." On Facebook, they write the state government was not involved in the project but they took prior approval from relevant authorities before starting on it.
SayTrees says that apart from reducing smog and heat and cleaning the air of pollutants, vertical gardens also create habitats for birds and beneficial insects.
Here's how the city's residents feel about the initiative:
Incredible work by SayTrees - hope this is allowed to stay and gets enough support/ funding! https://t.co/SyZrAzdTHq— Nimish Gupta (@BLR_Avgeek) March 17, 2017
Read SayTrees's entire Facebook post here:
Impressed netizens are calling for similar initiatives in New Delhi and Mumbai, among other cities.