Dan Harrison, who gives regular green advice on his Daily Eco Tips blog, wrote this guest article. Dan also loves eco-friendly gadgets, and can be found reporting on the latest green gadgets on EnviroGadget.com.

It wasn’t that long ago that I was a student, and I was using green ideas as a simple way of saving money. As a student, money is really tight, so you need to be economical in order to survive with the smallest amount of debt…