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It’s one of the most famous, and controversial, graphs in climate science. But what does the “Hockey Stick” actually show?
In this episode of The Climate Translation, Dr. Mac unpacks the iconic temperature graph that illustrates how Earth’s climate changed slowly for centuries before accelerating dramatically in the modern era. He explains how scientists reconstruct past temperatures using natural “proxies” like tree rings, ice cores, and ocean sediments, and why multiple, independent lines of evidence all point to the same conclusion.
Along the way, Dr. Mac breaks down the controversy surrounding the graph, why claims that it was “debunked” persist, and how understanding rate of change helps explain why today’s warming is fundamentally different from the past.
CC0 Music from Charles Korpics - I want to Live! (Again)