All life on Earth relies on the natural world to survive. We depend on nature for our health, food and most of our medicines. We depend on healthy ecosystems and natural resources for our homes and modern lives. But humans have become greedy and are taking too much from the Earth, this is unsustainable. This book offers concerned young people everything they need for becoming effective eco warriors. From exploring the big issues to discovering amazing and inspiring individuals and campaigns, each chapter shows how making tiny changes can start to make a big difference.