This year, in response to political demand, an independent expert panel of top international criminal and environmental lawyers from around the world spent 6 months drafting a clear, concise definition of “ecocide” as a potential 5th crime under the Rome Statute. With the new definition already gaining significant political traction, co-chairs of the panel Philippe Sands QC and Dior Fall Sow are joined by key voices from countries at the forefront of the growing movement to recognise ecocide at the International Criminal Court.