This is a Geography and Environment pupil's book for Standard 3. It covers the syllabus of primary education in Tanzania of 2023. It has considered the main objectives and competencies of primary education in Tanzania. The book has enough activities that aim to help pupils to develop the skills of communication, collaboration, critical thinking, leadership, problem solving and continuous self learning. It also contains competence based exercises at the end of each chapter. They are meant to help pupils test if they were able to acquire the intended knowledge, skills and attitudes in that chapter. Besides, there are test papers at the end of the book to help pupils prepare for their final examinations.