According to the application file, the 2026 World Cup was to be the least polluting in history. Conversely, it could be the biggest emitter of greenhouse gases. The fault is the many kilometers traveled by plane between stadiums spread across the entire North American continent. The fault also lies in the record number of participating teams (increased from 32 to 48). +92% emissions for this edition compared to the average of previous decades according to the SGR association.