Each chapter will offer practical answers to important questions, such as: Why does buying locally produced food make sense? What steps can we take to influence our workplace toward sustainability? How do we volunteer and advocate more effectively? How can we travel, live, work and learn in world changing ways? How, in short, can every human being help build a better future locally and globally? Illustrated with photographs and designed by Stefan Sagmeister, one of the most influential graphic designers working today, Worldchanging will prove that a life that is sustainably prosperous, just and democratic, dynamic and peaceful, is not just possible, it's here.

    Cheng is a mathematician, so she knows how to make an airtight argument. But even for her, logic sometimes falls prey to emotion, which is why she still fears flying and eats more cookies than she should. If a mathematician can't be logical, what are we to do? In this book, Cheng reveals the inner workings and limitations of logic, and explains why alogic--for example, emotion--is vital to how we think and communicate. Cheng shows us how to use logic and alogic together to navigate a world awash in bigotry, mansplaining, and manipulative memes. Insightful, useful, and funny, this essential book is for anyone who wants to think more clearly.