Impact on the Environment

3. The long-term increase in Earth's average temperature due to human activities.
7. A mixture of smoke and fog, often caused by vehicle emissions and industrial pollution.
9. Finding new ways to use items instead of throwing them away.
11. Minimizing the amount of waste and consumption of resources.
12. Man-made chemicals that damage the ozone layer, once used in refrigerators and aerosols.
15. The process of planting trees to restore forests that have been cut down.
18. The contamination of Earth's atmosphere by harmful substances.
20. The practice of farming, including growing crops and raising livestock.
21. Chemicals used to kill insects or weeds, but may harm other organisms.

1. The large-scale removal of trees, often for agriculture or development.
2. Small plastic particles that pollute water and harm marine life.
4. The _______ _________ Act is a U.S. law designed to control air pollution on a national level.
5. Coal, oil, and natural gas, which release carbon dioxide when burned.
6. A greenhouse gas produced by burning fossil fuels and respiration.
8. The trapping of heat in Earth's atmosphere by gases like CO₂ and methane.
9. Turning used materials into new products to reduce waste.
10. The protection and preservation of natural resources.
13. Energy sources like wind, solar, and hydro that can be replenished naturally.
14. Tiny solid or liquid particles in the air that can harm human health.
16. The growth and expansion of cities, often leading to habitat loss.
17. A shift in weather patterns over time, often linked to human activities.
19. Rain, snow, or sleet that has a lower pH due to air pollution.