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The Climate Story for:

To Be DeterminedWinner Match 89vs.To Be DeterminedWinner Match 90

Quarterfinals

Thu, July 9, 20264:00 p.m.Boston StadiumOpen air

Explore how heat could slow down performance during this match and how climate change is increasing the odds.

Data

37%Chance of performance-impairing heat+11%From climate change

The July 9 match at Boston Stadium (Winner Match 89 vs. Winner Match 90) has a 37% chance of heat that can impair performance.

Those odds are 11 percentage points higher due to climate change.

The science explained

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World Cup 2026 & Climate Change

To Be DeterminedWinner Match 89
To Be DeterminedWinner Match 90

July 9, 2026 • Boston Stadium

QuarterfinalsOpen air
37%Chance of performance-impairing heat
+11%From climate change
  • “Performance-impairing heat” is heat above 28°C (82.4°F) — a threshold associated with elite players running slower, less far, and less often. Source: Climate Shift Index and ERA5 reanalysis.

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Haiti flagHaiti—Scotland flagScotland

16%Chance of performance-impairing heat+3%From climate change