Eco-Libris: Plant a tree for every book you read
Pay this Eco-Libris money; they get trees planted and you get stickers to put on each of your books to show how green you are. And they plant extra trees for your money to take into account the fact that not all planted trees make it.
An interesting idea. Given a little more reading time I could probably create a small forest. How cool would that be… a lifetime’s reading expressed through the medium of wildlife. Insects (representing newspapers) flutter through the trees, the sun shines dappled on the bed of dead leaves and mould (the Daily Mail), while a dewy-eyed doe…
I wore out that metaphor before I even finished it. Soz. 
