Social networking giant Facebook has received a lot of press lately and most of it hasn’t been good. First, news came out that their new data center would be powered by coal. Then, Change.org ran a petition in an attempt to get them to switch to a more renewable power source. Now, Facebook comes head-to-head with their most formidable opponent yet: Greenpeace. Yes, Greenpeace—the great, international, environmental organization—is the latest to challenge Facebook’s decision to use coal power instead of renewable energy. Much bantering has already gone back and forth between the 2 and both seem to be getting nowhere….