Across
- 1. The big star at the center of our solar system
- 3. Something that is caused by burning fossil fuels
- 4. Something that is melting in the North pole
- 6. energy that is harvested form the wind from wind turbines
- 7. energy that is harvested from the sun
- 10. energy harvested from
Down
- 2. power that is harvested from a water turbine
- 5. The overarching term for solar, wind, and hydro power
- 8. what is causing damage to hundreds of houses in Colorado
- 9. A building material used for sidewalks