We are in the midst of an emergency. Drastic action by states, businesses, and individuals is required if we are to avert the most disastrous effects of climate change. Activism is a necessary part of and precursor to this action. And increasingly it is disruptive climate activism that is being advocated and engaged in. To many people, this kind of activism will seem morally controversial and perhaps even unjustified. But is it? And, if so, why exactly? Let’s examine three worries one might have.