Back in 1999, Penn State University climate scientist Michael Mann released the climate change movement’s most potent symbol: The “hockey stick,” a line graph of global temperature over the last 1,500 ...

A video viewed thousands of times online disputes the reliability of an authoritative graph showing cooling global temperatures over 1,000 years and rapid warming in the 20th century. A speaker in the ...

Recently, on Twitter and Facebook I noticed graphs of climate change and its impacts being posted. These were often unaccompanied with data sources or links. A lot of misinformation occurs across the ...

“…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 ...

Pretty hard to argue with that, right? Mostly because that’s a graph and graphs don’t talk. But yeah, the data are pretty compelling too. As Klein points out, 2012 was the ninth-warmest year ever ...

CLAIM: A graph from the National Oceanic and Atmospheric Administration displaying land and ocean temperatures over the last eight years shows that the Earth has been cooling, not warming, proving ...

Today is the 20th anniversary of one of the most iconic images in science. On 23 April 1998, US climate scientist Michael Mann and two colleagues published a paper in Nature. Central to it was a graph ...

Earth’s temperature is changing faster now than at any time since the last ice age, according to a new analysis of global temperatures spanning the last 11,300 years. The study has produced the first ...

A year ago, Penn State was reeling in the wake of revelations that its athletic program had covered up serial abuse by one of its football coaches. A blogger at the pro-free-market Competitive ...