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… is from page 249 of former Caltech physics professor and provost – and former Energy Department undersecretary during the Obama administration – Steven Koonin’s excellent 2021 book, Unsettled? What Climate Science Tells Us, What It Doesn’t, and Why It Matters [2]:
I began [fifteen years earlier] by believing that we were in a race to save the planet from climate catastrophe. Since then, I’ve evolved to become a public critic of how The Science of climate change is presented.