Climate Change: NOT “Settled Science.”


Facts from Obama’s Energy Department undersecretary for science, Dr. Steven Koonin:

  • Heat waves in the US are now no more common than they were in 1900.
  • The warmest temperatures in the US have not risen in the past fifty years.

Quoting from published climate science research by the US government and the UN:

  • Humans have had no detectable impact on hurricanes over the past century.
  • Greenland’s ice sheet (see picture) isn’t shrinking any more rapidly today than it was 80 years ago.
  • The global area burned by wildfires has declined more than 25% since 2003 and 2020 was one of the lowest years on record.

In Koonin’s book, Unsettled: What Climate Science Tells Us, What It Doesn’t, and Why It Matters, he writes his doubts formed after the American Physical Society asked him to review its statement on climate. After he convened a 2014 workshop to “stress test” the state of the science, Koonin “came away .   .   .  shaken by the realization that climate science was far less mature than I had supposed.”


He discovered:

Humans exert a growing, but physically small, warming influence on the climate. The results from many different climate models disagree with, or even contradict, each other and many kinds of observations. In short, the science is insufficient to make useful predictions about how the climate will change over the coming decades, much less what effect our actions will have on it.

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