The Green Edge is, well, a shameless plug for my own book. Whereas Simple Steps targets event planners, The Green Edge speaks directly to exhibitors. Think of these books as complementary. The Green Edge will help you manage a Greener event program.

Cooler Smarter is the Union of Concerned Scientists' practical guide to low-carbon living. Well researched and clearly written, Cooler Smarter informs personal and business choices. You can apply many of the ideas to your events program.

The Triple Bottom Line, by Andrew W. Savitz with Karl Weber, uses case studies from Fortune 1000 companies to make the business case for creating social, environmental, and economic value. Green to Gold, by Daniel C. Esty and Andrew S. Winston, is a best-selling study of how companies are saving money and building value through robust sustainability initiatives. The authors use case studies to identify the key features of a successful Green strategy. This approach makes Green to Gold is a must read.

The Big Pivot is Andrew S. Winston's step beyond Green to Gold. His latest book makes a compelling case that "...we must pivot – sometimes painfully, always purposefully – so that solving the world's biggest challenges profitably becomes the core pursuit of business."

Raising the Bar is the story of highly successful Clif Bar Inc. Written by co-founder Gary Erikson, with Lois Lorentzen, the book opens at the moment when the Clif Bar was being sold for a huge profit. In that moment, Erikson says his gut told him to send the buyers home. This delightful book explains why and what that means for life and business.

Switch: How to Change Things when Change is Hard, by Dan and Chip Heath, will help you overcome resistance to positive change. The reasoning is solid, and the case studies are refreshingly empowering.

No matter where you dive in – be it event management, global strategy or a challenging vision – you'll find a rich depth of literature that can help you create a Greener and more satisfying business world. Happy reading!