Across
- 3. rising average temperatures
- 4. large blades
- 6. The careful use and management of resources
- 10. The heating of the atmosphere
- 12. The action of taking something
- 13. Heat energy inside earth
Down
- 1. Any material from living things
- 2. kinetic energy of wind
- 5. Energy released during nuclear fission or fusion
- 7. O3
- 8. The broader set of changes
- 9. flowing water
- 11. energy from the sun to generate heat or electricity