Across
- 3. What country generates nearly 100% of its energy through geothermal and hydro reserves?
- 5. What is the largest active volcano in the world? Hint: it's in Hawaii (2 words)
- 7. The third "R" of sustainability.
- 8. Where is the largest solar power farm in the world located?
- 10. The second "R" of sustainability.
Down
- 1. What is the longest river in the United States? (2 words)
- 2. The first "R" of sustainability.
- 4. What is the largest desert in the world?
- 6. What is the world's largest source of renewable energy?
- 9. What is the longest above-water mountain range in the world?