According to a new study, climate change is making American baseball players better hitters – it could be the cause of up to 50 more home runs a year.
Warmer, thinner air that allows balls to fly farther has had a very small impact on the increase in home runs in Major League Baseball since 2010, according to a published analysis by Dartmouth College scientists. in April 2023.
They looked at 100,000 major league games and more than 200,000 balls in play over the past few years. They took into account the weather conditions, the stadiums in which the matches were played and other factors.
Some of those who know the sport best said they weren’t surprised by the results of the study.
“That’s what we’ve always thought for years,” Philadelphia Phillies president Dave Dombrowski said. “When it’s warmer, the ball travels more, and there’s scientific evidence to back that up.
It’s elementary physics.
As the air warms, the molecules move faster and away from each other, making the air less dense. Baseballs go farther in thinner air because there’s less resistance to slow them down.
The Dartmouth team found that the chance of a home run increases by 1.8% with each degree of air warming, although the total annual average of home runs affected by warmer air does not represents only 1% of all home runs hit.
The average temperature in the United States in June, July and August has increased by more than one degree Celsius over the past 40 years, according to the National Oceanic and Atmospheric Administration.
Some experts have said that due to rising global temperatures, more and more baseball games will have to be played in indoor stadiums.
Christopher Callahan, co-author of the study, said the study shows that climate change will have unintended impacts on many things we care about.
2023-05-03 14:08:16
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