This article is based on the post Wanted: Imagination.
Following the 9/11 attack on the Twin Towers the New York Times journalist Tom Friedman said that our failure was not lack of knowledge (we knew quite a lot about terrorist organizations). Our failure was lack of imagination — we simply could not imagine that people would voluntarily fly a commercial airplane directly into a building.
The phrase “dirty coal” seems to have become one word. For example, the reports on the recent unsuccessful COP26 conference mostly dwelled on the fact that “phase out of coal” was change to “phase down of coal”.