What do you think of when you hear Deloitte? You might think of a professional services firm or Big Four auditor. Today, the company has also put a big green stake in the ground, both looking internally to green its operations and as an offering in its consulting practice. Two aspects of this work are worth noting: Deloitte’s internal green team, working to engage employees in sustainability, and its Green Sync™ tool. I had the chance to have an e-mail exchange with Thomas Dekar, vice chairman of Deloitte LLP, regional managing principal of the North Central Region and corporate responsibility officer for the Deloitte U.S. Firms. He shed some light on the origins of Deloitte’s programs and offerings. Read on to learn about Deloitte’s best green business practices for engaging employees in sustainability.