Fill in each gap with a suitable word based on the information of the text given above.

The environment needs to be protected by everyone. There are numerous things you may do on a daily basis to rescue the environment (a) _____ your own. Here are a few ideas. Utilizing the resources of the earth wisely is really the (b) _____ thing we can do for it. The environmental issue is primarily the result of our (c) _____ actions Before making a purchase, ask yourself the following: "Do I really need this?" or, inquire as to "Will this last for a long time?" or "Is there another product which would do the same thing but is more (d) ______ ?" Are there any more questions I should ask, such as "Do I know how this item was (e) _____ , how it will be used, and how it will be disposed of?"