No. of Recommendations: 1
bears: "If the end of the Glacial period was 12,000 years ago and glaciers have been melting and receding since then .... why is the last 200 years such an eye catcher?"

The answer to your question lies in looking at "evidence" which is made up of "facts" which are analyzed with a tool called "math". Here is a snippet from the site you didn't read:

"After completing the analysis of the full land temperature data set, consisting of more than 1.6 billion temperature measurements dating back to the 1800s from 15 sources around the world, and originated from more than 39,000 temperature stations worldwide, the group submitted four papers for peer-review and publication in scientific journals...... Muller announced further findings from the project. He said their analysis showed that average global land temperatures had increased by 2.5 °F (1.4 °C) in 250 years, with the increase in the last 50 years being 1.5 °F (0.8 °C), and it seemed likely that this increase was entirely due to human caused greenhouse gas emissions....

'"Call me a converted skeptic. Three years ago I identified problems in previous climate studies that, in my mind, threw doubt on the very existence of global warming. Last year, following an intensive research effort involving a dozen scientists, I concluded that global warming was real and that the prior estimates of the rate of warming were correct. I'm now going a step further: Humans are almost entirely the cause."
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