Across
- 1. people that have to leave their homes because of global warming
- 5. the action of clearing forests
- 9. environmental contamination with man-made waste
Down
- 2. ... gas or effect
- 3. the planet's lungs
- 4. carbon...
- 6. water that submerges land
- 7. a prolonged period of dryness
- 8. the phenomenon of combustion