Facebook - Milano
13 April, 2011 - From Piazza del Duomo in Milano, Greenpeace challenge Facebook to "Unfriend coal", in order to use only renewable energy, without nuclear or coal, to power its data centre.
To persuade Facebook, Greenpeace has decided to break the record of number of comments in 24 hours.
Did Greenpeace manage to win the challenge? Check it out here!