Across
- 4. Day - An annual event celebrated on April 22nd to demonstrate support for environmental protection.
- 6. - A chemical element present in all living organisms.
- 7. - A person who advocates for the protection of the natural environment.
- 9. - Relating to the whole world; worldwide.
Down
- 1. - The variety of life in the world or in a particular habitat or ecosystem.
- 2. - A person who advocates for the protection of natural resources.
- 3. - The natural home or environment of an animal, plant, or other organism.
- 4. - The capacity to do work.
- 5. - Decayed organic material used as a plant fertilizer.
- 8. - Relating to or derived from living matter.