Geography Social Science Our Environment Text Book ncert Class 7th This ‘Our Environment’ - textbook for Geography has been designed for the students, who will be appearing for their class 7 examinations of the Central Board of Secondary Education (CBSE). The book uses simple language along with graphical illustrations for a better understanding and quick grasp of each topic. This paperback form, consisting of 78 pages, is the latest edition as per the updated guidelines and syllabus prescribed by the NCERT.