onmental impact from the World Cup. Number one: transport. Flying by air is incredibly carbon-intensive, making fan flights the largest source of emissions from every major international sporting event, says Madeleine Orr, a lecturer at Loughborough University London and founder of the Sport Ecology group of academics. And then there is the gigantic energy and material footprint of building new stadiums, along with the transport networks and hotels to accommodate hundreds of thousands of fans.
