India, April 28 -- There was a time when I imagined myself a vociferous rebel, the kind who might take to the streets to mobilise people.

Time has its way of taming the naive. Today, I am an altogether different person; examining, questing, questioning, but with the lens often turned within.

And lately I have been fascinated by how even the smallest questions inform the ethical landscapes of our world. Consider the act of brewing the tea I start my day with every morning. It is a simple daily ritual replicated across millions of homes.

The younger me didn't think much about it. The older me has come to acknowledge that the tea leaves arrive through a long supply chain, with all the ethical considerations that this implies. When I zero in...