In exactly one month it will be Christmas and it is most likely you will offer stuff to your loved ones. However you may be looking for something more environmentally friendly than the usual.
The Daily Green proposes us a list of more than a hundred ideas that will cover all possible needs and persons. From the green guru to the newbie or the kid, it is most likely you will find the right one.
If you want to offer a fantastic book on sustainable development, I recommend you Collapse by Jared Diamond. It will provide hours of most interesting reading. Read my review there.