This is the audio version of today’s letter, which you can find here.
Footnotes:
1 Donald Worster, American Academy of Arts and Letters.
2 J. M. Roberts, The Penguin History of the World (London: Penguin Books, 1987), 19.
4 J. R. McNeill and William H. McNeill, The Human Web: A Bird’s-Eye View of World History (W.W. Norton, 2003), 324-26. Berkshire publishes McNeill’s later writings, which take on this theme in various ways, as well: A World View: Collected Essays by William H. McNeill.
Making world history on Earth Day