“Don’t buy this jacket.” We said that in a New York Times ad in 2011 to encourage people not to buy what they don’t need and to buy quality products if they did need something—because quality is an environmental issue. For a bunch of reasons, pretty much everyone is making and buying too much stuff, and this is contributing to the destruction of the planet. Our new film “The Shitthropocene” is a mock anthropological view of humanity’s consumption habits. It’s also about how we might begin to sav