Find out how land pollution damages the environment and how we can reduce it. People and places -Human impact on the environment - Polluting the land Learning Points Land pollution is the destruction or contamination of the Earth's surface. Pesticides and other chemicals can poison the land and water. Litter pollutes the environment for both wildlife and humans. A Twig Curriculum Film. Delivering key learning points. Get straight to the facts in just three minutes – directly linked to core learning, Twig's curriculum films will fit neatly into your lesson plans.