Since the hockey stick paper in there have been a number of proxy studies Figure 2: Original hockey stick graph (blue - compared to Wahl.
This graph asserts that temperatures during the Medieval Warm Period were higher than those of The infamous ` Hockey Stick ' was unveiled for the first time.
The “ hockey stick ” graph was the result of the first comprehensive attempt to reconstruct the average northern hemisphere temperature over the. Younger Dryas - I am not sure why you brought this up as for life of me I y8 2 players racing game see why you think there is a conflict with "historical record" - perhaps you could explain? I spoke to Putin twice. By comparison the climate models are incredibly complex, and with no way to test the model by true controlled experiments. Joint Statements on Climate Change Hockey stick graph National Academies of Science Around the World. Many other proxies than just tree-rings show the same divergence - which happens to be in the cooling phase of the PDO and between solar maximums. Activate your Insider account. And that might lead in turn to the mistaken conclusion that global warming predictions are a lot of hooey.