This is the March 4, 2021, edition of Boiling Point, a weekly newsletter about climate change and the environment in California and the American West. Sign up here to get it in your inbox. There’s a classic scene in “The Graduate” where Dustin Hoffman’s character, fresh out of college, gets pulled aside at a graduation party by a well-meaning friend of his parents and told: “I just want to say one word to you. Just one word ... plastics.” If that scene were written today with sustainability in mind, the word might be “batteries.” Or maybe “hydrogen.” But it might also be two words: “energy efficiency.”