CNN on citizen scientists (includes a link to ScienceCheerleader.com!).

Backyard scientists use Web to catalog species, aid research
Story Highlights

* Average people help scientists collect valuable data in era of climate change
* Many Web sites are hubs for citizen-collected info used in research
* Researchers developing iPhone app to automatically identify plants, upload data
* In South Africa, a teacher has started a network of people collecting info on toads