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Reader questions – Part 2 of 4

I recently received an email from Brittany C asking four questions.  Brittany is allowing me to publish her questions and my answers.  These answers are a combination of scientific fact with conjecture and opinion from me. Earlier, I answered the first of her 4 questions and today I will answer the second.

Question 2: If CO2 were linked to temperature increase wouldn’t that mean that temperatures would have steadily increased from the start of the Industrial Revolution to today?  If that’s the case, why was there a cooling period from the 1940s to the 1970s?

Reader questions – Part 1 of 4

I enjoy emails from readers of this site.  My contact information is in the About page and the comments and encouragement I receive makes this site a joy to run.  I recently received an email from Brittany C asking four questions.  Brittany is allowing me to publish her questions and my answers.  These answers are a combination of scientific fact with conjecture and opinion from me.

Question 1: Why is the warming that has taken place in this past decade been such a big deal when there seems to be a similar warming trend in the 1930s?  Is there a difference between the two? 

Great question.  I am going to break it up into 3 parts: