A Penn State University internal inquiry dismissed three allegations of research improprieties against a leading climate scientist but recommended further investigation into one allegation regarding leaked e-mails about global warming. Meteorology professor Michael Mann said he was pleased the inquiry results "found no evidence to support ...

E-mails stolen from climate scientists show they stonewalled skeptics and discussed hiding data — but the messages don't support claims that the science of global warming was faked, according to an exhaustive review by The Associated Press. The 1,073 e-mails examined by the AP ...

Here are excerpts from some of the 1,073 climate e-mails from climate scientists, hacked from a computer network server at the University of East Anglia's Climatic Research Unit and posted online last month. Many of them capture exchanges between Penn State University climate scientist Michael Mann and Phil Jones, who stepped aside ...

A Penn State professor and climate researcher said he welcomes scrutiny into leaked e-mails at the center of an international controversy over what's causing global warming after the university said it would look into the issue. Hackers breached servers at a climate change research center ...