The organizers of the Copenhagen Climate Change Conference have created a greetings card for all interested in sending messages to the world leaders.
It is a cheap and practical way of getting people involved and making them find out more about the whole issue.
For English learners around the globe, it is yet another chance to put their writing skills into practice.
For the real card, click here.
All that aside, how effective will this drive be? Will our leaders really listen?
Time will tell....