Across
- 4. Renewable energy from biological sources (9 letters)
- 5. Respectful of the environment (11 letters).
Down
- 1. Way of treating waste so it can be reused (7 letters).
- 2. Commerce that pays fair wages to producers (9 letters).
- 3. Misleading claims about environmental benefits (12 letters).
- 4. Variety of life in an ecosystem (12 letters).