Please continue to do your research on the Internet. Answer the following questions on paper:
1) What is passive solar energy? How can we use it in our homes? Draw a picture to show how it works.
2) How can we harvest rainwater in our homes? Again, draw a picture to explain how it works.
3) What is greywater? How do people use it? What do you think about the idea?
4) What is a carbon tax? Do you think it is a good method to help save the environment?