Forty-five young people from around the world (including twelve from the U. S. and four from Canada) are doing something every day to make the world a better place. They discovered issues thatconcerned them and did something about it. With skills ranging from singing, drawing and painting to fundraising, public demonstrationsand events, they have fought climate change and pollution, and worked to protect animals and their natural habitats. This inspiring book also includes reference materials and suggestions on how readers can get involved.