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        Is the Discovery of Global Warming Our Greatest Scientific Achievement? | PBS Idea Channel

        Global warming exists, but how do we know that? It may seem like a simple process of just looking at the temperature from year to year, but it is so much more than that! Our understanding of the global climate comes from a compendium of data including measured and tracked temperature, humidity, wind speed, and barometric pressure, spanning over 100 years of observation. To study this massive amount of information and be able to surmise that the increasingly extreme and bizarre weather patterns are a result of human influence is truly an incredible accomplishment. Watch the episode, and tell us what you think!

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