[An updated treatment of some of this material appears in Chapter 2 of the Energy and Human Ambitions on a Finite Planet (free) textbook, also mirrors a 2022 article in Nature Physics..]| Do the Math
Nothing lasts forever.| Do the Math
This is the TV poster for “David Attenborough: A Life on Our Planet.” (CNS photo/Netflix)| Do the Math
AI-generated stranger; I’m not so young/attractive| Do the Math