The Hockey Stick and Climate Change

In 1998 Michael Mann and a team of other well known and highly respected climatologists drew on climate records (which have been kept since around 1850) to show the way in which the climate was changing. As scientists do, they drew a graph, which showed rising temperatures. The graph was in the shape of a hockey stick, a gentle curve at the bottom and as time progressed a violent upstanding part that was the handle of this imaginary hockey stick. Continue reading