Impact helps teenage learners to better understand themselves, each other, and the world they live in. By encouraging self-expression, global citizenship, and active participation, Impact motivates students to explore who they are and who they want to be - all while learning English! National Geographic Explorers feature as role models who embody the 21st century skills and values teenagers need to become successful global citizens. Cross-curricular topics engage learners with stimulating information about the world, better preparing them for future academic success. Student-choice activities and projects present learners with options for language practice, allowing them to become active participants in the learning process.