I had a response written, and my **&&!!! modum quit working. A new modum + four hours with tech support, and I'm back on. Sometimes, I yearn for the old days (not really)
Of course, the **&&!! computer erased my response, so I'll rewrite it.
Your doctor Spencer, unlike most of the scientists cited by the skeptics (Is that a good word? We're all skeptics in one way or another) who are syaing that human activities have no impact on climate change, this one is a bona fide climatologist with a reasonable argument.
First, he is not saying that there is no global warming, nor that human activities have no impact.
"Climate sensitivity" is the phrase he uses to describe how much of global warming is due to human activities. NASA thinks it is a lot higher than he does.
No, we don't know what the Earth's climate sensitivity is. Dr. Spencer is arguing that it is lower than we thought, but not zero, as some of the scientists in other fields of study are saying, as some of the political pundits with little scientific training at all are saying.
He makes a good argument. I for one hope that he is right. If climate sensitivity is low, then we have a long time to address the problem. We will still have to learn to live with climate change, of course.
Between the voices shouting: "It's all a hoax to enslave us to a world wide Marxist government!
And: "It's a disaster in the making. If we don't all quit burning fossil fuels, we will destroy the Earth!"
there are a few voices of reason. Those voices of reason have a way of turning out to be correct.
