Have you ever thought of doing something for the environment while you were making money online?
I know it sounds funny, but I was redirected to this site recently and figured out it was a pretty good idea.
An from an ethic point of view, I think it would be great if you publicly advertise on your blog (or site) that you are helping the enviromment.
And you can even get a seal for doing so:
Got anything to share on this?