Tesco, the large British-based grocery chain, is donating funds to help plant tress for every Christmas eCard you send from their site.

It’s simple to do, no registration is required, the card is musical, and you get to write your own message, too. You’re given the url address of your creation, so it can be posted on a student/teacher website or blog.

I’m adding it to The Best Places To Learn About Christmas, Hanukkah, & Kwanzaa.