Summary Of Hockey Stick By Fred Pearce

The “Climate Change Debate Overheated after Sceptic Grasped ‘Hockey Stick’” article, written by Fred Pearce, demonstrates how the hockey stick graph constructed by Michael Mann, introduced many disagreements. Fred Pearce notes many individuals such as Steve McIntyre and Ross McKitrick (both referred to as M&M) that believed Michael Mann’s hockey stick graph was created using faulty methods, and were considered imprecise. According to Pearce, M&M publicized a paper arguing that Mann’s smoothing of the graph provided inaccurate results of the temperatures in the early centuries, and consequently, made the blade on the so called hockey stick appear larger. Furthermore, M&M identified tree rings as a bad source of temperature readings after they