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Teaser Tuesdays is a weekly bookish meme, hosted by MizB of Should Be Reading.

You know I couldn’t pass up a history of John Muir and his role in creating the American conservation movement! I am learning a lot, and not only about Muir and glaciers.

Today’s demographers have estimated that of the roughly 110 billion people who have lived on earth the last 50,000 years, only a small fraction have achieved age fifty and beyond; of those, half are alive today. In other words, Muir was already the beneficiary of a relatively long life.

…although of course, being Muir, he did not go gently into that good night. I am not surprised at these numbers but had never considered such a thing; it’s a little boggling, isn’t it?

This quotation comes from an uncorrected advance proof and is subject to change.

Filed under: tuesday teasers | Tagged: history, nature, nonfiction |