Across
- 4. activities/resources that can be used without long-term harm
- 5. country; sparsely populated
- 7. dishonest or fraudulent conduct by those in power; bribery
- 8. laws or rules
- 9. petroleum; energy source that scientists link to climate change
Down
- 1. shortage of food
- 2. city; densely populated
- 3. when land turns to desert
- 6. shortage of water