Across
- 3. this type of renewable energy source we get from the sun
- 4. ban on imports
- 5. the ability to do work and comes in many forms
- 7. gases in the atmosphere that contribute to warming the planet
Down
- 1. to bring in from another place (i.e. oil)
- 2. to save or keep
- 6. converting waste into something that can be used again