Відповідь:
1. If I rode my bike to school, I would reduce air pollution.

2. If I recycled, I would create less waste.

3. If I adopted an animal, I would help endangered species.

4. If I used less paper, I would save the rainforests.

5. If I turned off my computer, I would use less electricity.

6. If I joined a conservation group, I would protect the environment.