From the Bad Homeopathy site:
Homeopathy is an ancient, pre-scientific and absurd pseudoscience. Yet it persists today as an accepted complementary medicine, largely because people don't know what it is.
The 10:23 Campaign aims to show the public what homeopathy is and explain how we know it doesn't work. It will launch in early 2010.
You can read more about thee campaign here: :http://www.badhomeopathy.co.uk/modules/news/article.php?storyid=94
If you live in the UK and frequent any pubs or hubs, please consider participating.
If you are unfamiliar with homeopathy, Richard Dawkins explains what it is in the video below.
EDIT: I found the full episode of the video above. Give it a watch if you have some extra time. It is from a documentary series, The Enemies of Reason. The episode below explores alternative medicine.