Across
- 3. River of wind in the sky that encircles the Northern Hemisphere
- 4. Removal of trees, heats up Earth
- 7. Increase in the Earth's surface temperature from greenhouse gases
- 8. Icy expansion of frozen ground covering one quarter of the land
- 10. Process of burning fossil fuels
- 11. Gas formed of carbon and oxygen that is released into the atmosphere
- 13. Planting trees where they were not previously forested, cools the Earth
- 14. Area warmed due to an increase of fires
- 15. Natural occurring gas created when water evaporates, heats up Earth
Down
- 1. Feedback loop that decreases climate change by cooling the Earth
- 2. Amount of carbon released into the atmosphere from activities
- 5. Feedback loop that increases climate change
- 6. Decreases the warming of Earth by storing carbon
- 9. Lowers the temperature of Earth, formed by water vapor
- 12. Cooling mechanism that reflects light off a surface