David Miller presents a compelling case that significant progress can be made at the local level by duplicating the actions of nine leading cities around the wo

Denmark is set to achieve 100 per cent renewable energy by 2030. Iceland has topped the gender equality rankings for a decade and counting. South Korea’s aver

The fun and simple problem-solving guide that took Japan by storm Ken Watanabe originally wrote Problem Solving 101 for Japanese schoolchildren. His goal was to

*International Book Awards Finalist It can be messy and overwhelming to figure out how to solve thorny problems. Where do you start? How do you know where to lo

A unique collection of competition problems from over twenty major national and international mathematical competitions for high school students. Written for tr