"'Climategate' was triggered on Nov. 17 [2009] when an unidentified person hacked into the e-mails and data files of the University of East Anglia's Climatic Research Unit, one of the leading climate science centers in the world — and then posted them on the Internet," reports Thomas L. Friedman in New York Times. "In a few instances, they revealed some leading climatologists seemingly massaging data to show more global warming and excluding contradictory research." (Photo: Flickr)