Across
- 1. A person who helps others or the planet without getting paid.
- 4. An event where people pick up trash to help the planet.
- 7. Traveling to and from work or school, often discussed in eco-friendly ways.
- 8. Power from the sun used to make electricity.
- 9. Grown or made without chemicals.
- 11. To turn old things into something new and useful.
- 13. Good for the planet; not causing harm.
- 18. Cutting down too many trees in forests.
- 19. Things that are thrown away because they are no longer wanted.
- 20. A special day to celebrate and protect our planet.
- 21. The invisible gas we breathe.
Down
- 2. Things like water, trees, and sunlight we get from nature.
- 3. A time when people turn off lights to save energy.
- 5. A thick forest with lots of rain and many plants and animals.
- 6. Energy that doesn't pollute the environment.
- 10. A gas in the sky that protects Earth from too much sunlight.
- 12. Many different kinds of living things in one place.
- 14. The natural home of a plant or animal.
- 15. Trash left in places it shouldn't be.
- 16. Energy made from moving air.
- 17. To keep something safe from harm.