The scale of the impending climate crisis is now apparent to more or less everyone. Yet, whilst it's been the left that has taken the lead in reponding to climate change for several generations, it is increasingly the far-right who are developing political responses to catastrophe. This has been reflected in the growing eco-fascist movement, a movement who were parachuted to global prominence on the 15th March this year when one of their number murdered fifty people in two Christchurch mosques. In this article, Eleanor Penny analyses eco-fascism and asks what it will take the left to deal with the scale of the climate crisis.