Across
- 4. ülerahvastatus
- 8. a squirrel that can glide in the air
- 11. rain happevihm
- 12. Estonian Museum of Natural History
- 14. release of a liquid petroleum hydrocarbon into the ocean
- 15. biolagunev
Down
- 1. an area of land with a group of energy-producing windmills or wind turbines
- 2. prolonged period of abnormally low rainfall
- 3. nature reserve
- 5. osoonikiht
- 6. the trapping of the sun's warmth in a planet's lower atmosphere
- 7. tasakaal
- 9. solution
- 10. liik endangered species
- 13. kliima soojenemine