What is the best definition for the concept of refusing?

Question

1.to turn materials into new raw materials for other products
2.to use again anything that you can, rather than throwing it away or using disposable items
3.to minimize the amount of resources that you use
4.to use disposable materials as much as possible
5.refuse to do things that would harm the environment

Answer 1

5. refuse to do things that would harm the environment