- The document discusses environmental pollution and its impacts. It notes that automobiles and other sources produce air pollution every day, harming the environment. While some people think pollution doesn't affect them, it is harming the planet and people's health through contaminated air and water. There are different types of environmental pollution including water, air, and atmospheric pollution. The document advocates for preventing air pollution to avoid issues like global warming, melting ice caps, and rising sea levels that could flood coastal cities. Water pollution from sources like oil spills is also discussed as a major threat.