A group of scientists have refined the famous 'hockey-stick' graph, adding nearly 10,000 years of data onto it, and highlighting the alarming trend in global warming in the past few decades. This new ...

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 ...

The climate scientist behind a renowned global-warming stripe graphic said he’s going to need more colours to represent the warmer world of the future. Professor Ed Hawkins designed the visualisation ...

A graph arguing that our current climate isn’t in a period of “unprecedented warmth” went viral when it was retweeted by Jordan Peterson, a controversial psychologist and author, to his 3.7 million ...

Millions of words have been written about the new report from the Intergovernmental Panel on Climate Change (IPCC). But for me, two key messages stand out – one for its importance, the other for its ...

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 ...

The "Hockey Stick" graph, a simple plot representing temperature over time, led to the center of the larger debate on climate change, and skewed the trajectory of at least one researcher, according to ...