Sweden, Jan. 7 -- On a sunny Sunday morning before Christmas, I saw a group of giggling young girls and boys in the Biodiversity Park in Hyderabad. Each one was carrying saplings of different varieties and sizes, carefully grown in pots of varied sizes and shapes.

The group spent over two hours discussing about the qualities of their saplings and how they would be grown into big plants, whether indoor or outdoor and how much sun shine or manure would be required.

What they were up to? Well, to swap saplings each one was carrying with others in order to grow more plants, Raina Kayshap, the event organizer told me, as I walked up to them while relishing the sweet fragrance of flora and fauna with my son and granddaughter Raina's was a small...