I do not know how best to respond to the question that, these days, many parents ask me.

There is a science and an art to policymaking. In India, this is confounding and abstract.

In current model of agricultural growth, what goes out is what is best for our bodies and our health - small farmers and local food businesses.

It is good that deadly and toxic air pollution in Delhi has become a national headline.

Why this weird weather?

The fight to save the Taj Mahal from pollution is the country's longest and perhaps most difficult battle.

Debates are essentially polarised and noisy. But for resolution and movement in life we need to go beyond absolute positions.

Climate change, we can emphatically say, is a wicked problem

This is a real-life story of three wicked problems, one opportunity - and a new way to confront global challenges.

A clean-up is essential. But for this, India's power sector must also come clean. Companies need to voluntarily share data.