The upcoming 2026 World Cup, like other mega-events, is drawing attention for its potential environmental consequences. Significant concerns center on the carbon footprint generated by travel for players and fans, as well as the construction and renovation of stadiums and hospitality areas. Solid waste production is also identified as a major issue. Scientists are increasingly focused on mitigating these impacts and promoting sustainability initiatives. The event’s large scale necessitates careful consideration of its ecological footprint. Discussions are underway regarding actions to minimize environmental damage associated with hosting the tournament. The article, originally published in *La Silla Vacía*, highlights the need for proactive strategies to address these challenges.