Can Whole Foods hold on to its green cred?

NEW YORK (Fortune)

Fortune wants to make it even easier for you to eavesdrop. The Fortune Brainstorm podcast is a weekly show that features recorded conversations from Fortune's live events.

This week, Fortune management guru Geoff Colvin takes us behind the scenes of his interview with Whole Foods (WFM, Fortune 500) co-CEO Walter Robb. Colvin sheds light on some of the most pressing issues facing the company, as in, how can it expand and maintain its "green" image? Robb discusses how Whole Foods can keep its competitive edge when natural foods sections keep popping up in grocery stores everywhere.

Tune in for more on how Robb's serious business mentality meshes with his crunchy granola grocery chain.

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