Emily Thomas asks whether we’re on a slow but steady path to abandoning our pervasive, long-standing, and arguably slightly peculiar habit of drinking milk from cows.

In many European countries and the US, alternative plant-based milks are growing in popularity, and cow's milk sales are declining. Is this just a blip in our millenia-old love affair with dairy, or a steady drip towards a cow's milk-free future?

Three guests debate the potential effects on global poverty, the environment and our health.

(Photo: Brown cow. Credit: Getty Images)