Will this be the most carbon-intensive World Cup in history?

The 2026 FIFA World Cup is underway, with a record 48 teams competing across the United States, Canada, and Mexico. As the tournament grows bigger, so does its climate footprint. Will this year's tournament be the most polluting in FIFA history? Where do the emissions come from? And does the game's continued expansion go against its climate goals? Climate Watch host Zhao Ying speaks with Tim Walters, a professor at Okanagan College in British Columbia, Canada.