 Your piece made me think a lot about the kind of double-think inherent in the way rich countries talk about carbon dioxide. Like, on a certain scale, it is considered harmless to human health in a way that, say, breathing in smog or coal dust or sulfur dioxide is not. Why is it significant that documents like Vanuatu treat CO2 as just another form of air pollution? Well, I think when you really look at what pollution is...