Yet no actual decline was actually hidden. For recent times, the actual measured temperature went up, the limited tree ring proxy data went down, possilbly due to global warming itself. The proxy anomaly was well known and graphed and discussed in scientific lit, including IPCC reports. But on a *summary* graph, for a nonscientists, the graph showed the best data available.
Don't believe everything you read in the right-wing media.
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