Here are more news about this global initiative:

"Many things still remain to be done, but we will continue building on the kind of cooperation that works. Europol assists regularly with international police operations. In 2011, the Rescue operation lead to the identification of 779 suspects worldwide, 250 were arrested and 252 children were safeguarded. Often, investigations of child abuse online give vital clues that can be used to dismantle networks of paedophiles.
The European Cybercrime Centre, opening in January 2013 at Europol in The Hague, will have child pornography online as a main focus"
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