Change the world? Change yourself? It's all one thing.

Sustainability, often viewed as an environmental matter, is all that but much more. Michael Prager offers a reasonable, practical guide for making changes that are both planetary and personal. His foremost experience with personal change is maintaining a 155-pound loss for more than 20 years, after decades of fat and then obesity.

But when he began investing time and energy advocating for action on global climate change, he found similarities between those disparate challenges that can create meaningful growth for anyone open to it. 

Welcome to personal sustainability.