Across
- 3. Taking minerals from the earth
- 4. Building dams and weirs to store water
- 6. Using heavy machines and factories to produce goods
- 9. Cutting down forests
Down
- 1. Release of carbon dioxide from cars, factories, or power plant
- 2. Contamination of water, land, or air
- 5. Expansion of cities into natural areas
- 7. Farming and raising crops or animals
- 8. Harmful practices in catching fish