The center for the advancement of informal science education has a report on three cases of participatory science from 2009, which I only just discovered.
A workshop on “Volunteered Geographic Information” took place in april of last year. UCL Professor Muki Haklay wrote three posts that are relevant. He is also apparently director of something called “the UCL Extreme Citizen Science group” (1 | 2 | 3).
Disaster Relief 2.0, publisher march of last year. When will the whole 2.0 thing stop?