Across
- 2. Variety of life in an environment
- 7. Energy from the sun
- 9. To protect or save resources carefully
- 10. Energy that can be naturally replenished (like wind or solar)
- 11. An element linked to greenhouse gases and climate change
Down
- 1. Decayed organic material used as fertilizer
- 3. Able to be maintained without depleting resources
- 4. Pollutants released into the air, often from vehicles or factories
- 5. A community of living organisms interacting with their environment
- 6. Essential liquid resource for all life
- 8. A source of power, such as oil, gas, or coal
- 9. The average weather conditions in a region
- 12. Grown naturally without chemicals