This document discusses the environment and ways to protect it. It defines environment as the living and non-living things that surround an organism. There are different types of environments including natural, physical, biological, and human. The components of the environment are also discussed. The document compares polluted and non-polluted environments and notes three types of pollution: land, air, and water. It explains that World Environment Day is celebrated annually on June 5th. Suggested ways to protect the environment include reducing, reusing, and recycling, as well as not littering or polluting land, water, or air.