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Climate proxies are naturally preserved records like tree rings or the characteristics of sediments in lakes and oceans that can indicate past climatic conditions through their biological, physical, or chemical connections to environmental conditions
A key result based on this ensemble methodology is that the most recent decades are, at the level of the 20-year average, very likely the warmest across midlatitude western North America during the past 500 years.
Originally posted by LaElvis
reply to post by stanguilles7
Using tree rings to add to data is not a proper way to look at climate. Trees only grow in certain areas, not in deserts nor oceans. This will obviously skew data.
Originally posted by pianopraze
You have to manipulate the data and show only the very short term to make things appear catastrophic... but that's what politicians need to make money flow so they can make more money...