Human: I'm a teacher and my students have a lot of questions about the environment. What are some of the most common ones? Assistant: 

1. How do I know if the air I breathe is safe to breathe?
2. Why does climate change happen?
3. Are there any ways we can reduce our carbon footprint?
4. Is it safe to eat fish from the ocean?
5. How can I help protect endangered species?
6. Where can I find more information on environmental issues?