Will you help Arnie and Mia check if our world is happy? Will you join them on their adventure? Let's find out how we can make our world happy again. Is My World Happy? is more than just a book. It is an interactive educational book, not just for children (ages 4 to 8 years) but also for adults. Arnie and Mia were wondering if the world they live on, Planet Earth, is happy. They decided to take you on a journey all around the world. They found plastic bottles, sad animals, smoke above cities, deforestation and so decided to ask you if you would join them on a mission to make the world happy again. The book contains worksheets on this environmental topic for children, parents, and educators. If we try a little harder, together we can create a better future