What alternative forms of energy do you know?
...
How can we help to conserve water?
...
In which products can you find toxic chemicals? How do they affect the environment?
...
What is global warming? How does it affect the environment?
...
What can you do instead of driving everywhere?
...
What can you do in order to save electricity?
...
How do cars affect the environment?
...
How does recycling help the environment?
...