The document discusses protecting the environment and ways to keep it clean. It defines environment as all living and non-living things on Earth that affect our ability to live, including air, water, plants, and animals. Protection involves guarding things from outside damage, while cleanliness means being free from germs, dirt, trash, or waste. Some key ways to keep the environment clean mentioned are educating others, volunteering for cleanups, reducing waste by refusing unnecessary items, reusing what you can, recycling, bringing reusable bags and cups, properly disposing of waste, planting trees, and conserving water.