A video viewed thousands of times online disputes the reliability of an authoritative graph showing cooling global temperatures over 1,000 years and rapid warming in the 20th century. A speaker in the ...
In fact, later studies support the key conclusion: the world is warmer now than it has been for at least 1000 years The “hockey stick” graph was the result of the first comprehensive attempt to ...
It is a persuasive image. The “hockey stick” graph shows the average global temperature over the past 1,000 years. For the first 900 years there is little variation, like the shaft of an ice-hockey ...
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