But the visual imagery of a growing ozone hole was hard to ignore: it finally put pressure on governmental and industrial actors to take action. Forty-three countries signed the Montreal Protocol in 1987, agreeing to phase out ozone-depleting substances from 1989 onwards.
Skips a lot of the important narrative of Montreal Protocol negotiations. Given Ritchie's data-focused background, perhaps it is avoided because it is a story that is difficult to reveal through data trends. But the story of why Montreal worked to generate collective action and subsequent agreements have not done as effectively is entirely relevant to whether or not we are the first/last generation to build a sustainable planet as the subtitle suggests
