Six Revisions takes a look at the 15 biggest Internet controversies of the past decade, you can read it over here. Here's one of them:
When hackers gained access to a server used by the Climatic Research Unit at the University of East Anglia, they leaked over a thousand emails and other documents that call into question much of the data that has been used to support climate change models and predictions.
This controversy is still ongoing, with one side calling it a smear campaign, and the other, asserting that it shows collusion among scientists to manipulate data. Some have even begun to contend the validity of man-induced climate change..