As the 2026 FIFA World Cup approaches, a coalition of health and sports science experts has raised significant concerns regarding player safety, warning that current heat protocols may be inadequate for the tournament’s summer schedule. With matches hosted across 14 of the 16 selected stadiums facing potential exposure to extreme heat, researchers emphasize that existing guidelines—which include mandatory three-minute cooling breaks—fail to account for the heightened risks posed by the combination of high temperatures, humidity, and sun intensity.
Scientific Warnings Regarding Heat Exposure
An open letter from international experts in climate, health, and sports performance has characterized the current FIFA heat safety measures as “inadequate.” According to these researchers, the governing body’s protocols are out of step with modern scientific understanding, making the current approach difficult to justify. The scientists argue that in regions across the southern United States and northern Mexico, where daytime highs often reach the low-to-mid 30s Celsius and can climb toward 40C, players are at a heightened risk of experiencing extreme heat stress.
The research, published in the International Journal of Biometeorology, specifically examines the thermal risks at the 16 host locations for the 2026 tournament. The study notes that when environmental factors such as wind speed, humidity, and solar radiation are integrated, the physiological burden on athletes competing in these climates becomes a critical safety concern.
Current FIFA Protocols and Proposed Adjustments
FIFA has stated it remains committed to protecting the health and safety of all tournament participants, including players, staff, and volunteers. As part of its standard tournament planning, the governing body incorporates climate-related risk assessments. Current measures mandated for the 2026 tournament include mandatory three-minute cooling breaks in each half of every match, regardless of the ambient temperature, and the provision of climate-controlled benches for substitutes and technical staff at all outdoor venues.
However, the group of scientists is calling for more robust protections. Their recommendations include:
- The implementation of longer cooling breaks, lasting at least six minutes.
- Clearer, more stringent protocols for the potential delay or postponement of matches when the Wet Bulb Globe Temperature (WBGT) exceeds 28C.
- Enhanced cooling infrastructure to mitigate the physiological impact of the heat on athletes.
The Impact of Environmental Conditions on Tournament Planning
The challenge of managing extreme weather during the World Cup is a central focus for both organizers and researchers. With the tournament occurring during the summer months, the potential for heat-related performance degradation and injury is a primary consideration. While FIFA maintains that its current welfare commitments are sufficient, the discrepancy between these existing regulations and the findings of the scientific community highlights a persistent tension between competitive scheduling and athlete health.

The 2026 FIFA World Cup will be the first to be hosted across three nations—the United States, Canada, and Mexico—presenting a diverse range of climatic challenges. As the tournament date nears, the conversation around heat safety is expected to remain a focal point for team medical staffs and international sports governing bodies.
Looking Ahead
FIFA continues to oversee preparations for the tournament, with its global headquarters in Zurich, Switzerland, managing the coordination of the 211 member national associations. As the governing body refines its operational plans, stakeholders await further updates regarding whether additional safety measures will be adopted in response to these expert recommendations. Fans and teams can monitor official updates through the official FIFA platform as the tournament schedule is finalized and safety protocols are further solidified.