With Delhi’s air quality in the news nowadays, you wonder why the situation was allowed to reach such a level. Remember the frog fable (not rooted in scientific reality)—put a frog in boiling water and it jumps out, but heat the water slowly to a boil and the frog stays there and dies. The lesson for cities, institutions and professionals here is that creeping change will kill you if you are complacent or constantly operating from a comfort zone.