For sheer Clockwork Orangeyness I have to go with FinExtra:
Hacktivists hit European Climate Exchange site
According to the Independent Media Centre of Australia, hacktavist collective decocidio took down the ECX Web site on Friday, replacing it with a message attacking the concept of carbon trading as a scam.
The page also provided links to activist groups Earth First, Climate Justice Action and the Hack Block and included an embedded video called The Story of Cap and Trade....