Environmental activist group Greenpeace, which has in the past taken Apple to task over environmental issues, has released a new report entitled "Clicking Clean: How Companies are Building the Green Internet" which classifies Apple along with Google and Facebook as "green energy innovators". The report praises Apple for its commitment to renewable energy, awarding the company three "A" grades and a "B" grade in the group's four rating categories.Apple's aggressive pursuit of its commitment to power the iCloud with 100% renewable energy has given the company the inside track among the IT sector's leaders in building a green Internet. Apple has made good on its pledge by building the largest privately owned solar farms at its North Carolina data center, w