As international lawyers, arbitration practitioners are at the forefront of global issues, yet in relation to climate change and its impact on our practices, we have been slow to act. This article considers the role that arbitration should play in determining climate change disputes and the role that arbitration practitioners could play in shaping and adapting international law to respond to the climate crisis. The pandemic has driven significant behavioural change in the arbitration community. Now is the time to reflect on our practices to ensure that arbitration remains relevant and fit for purpose in a world where climate change will impact every area of our lives.