Get your news from a source that’s not owned and controlled by oligarchs. Sign up for the free Mother Jones Daily. Everyone is familiar with the “hockey stick” chart of global warming. It’s called ...

“…the hockey stick graph became an icon and deniers reckoned if they could smash the icon, the whole concept of global warming would be destroyed …” Michael E ...

Very few faces are as closely linked with the American debate over climate change as Michael Mann's. The Pennsylvania State University climate scientist is one of the authors of the famous "hockey ...

The “hockey stick” graph has been both a linchpin and target in the climate change debate. As a plot of average Northern Hemisphere temperature from two millennia ago to the present, it stays ...

No climate scientist has been subject to more attacks on their science and character than Penn State's Michael Mann, originator of the famed "hockey stick" graph of Earth's temperature history. Dr.