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Pesticides are essential for keeping golf courses lush and green, as they control weeds, insects, and fungi. A recent study shows that U.S. golf courses rely on pesticides that may pose as much as 15 times greater danger to human health and the environment than the ones permitted in Europe. The EPA registers between over 200 active ingredients for golf course use in the United States, in contrast to the few dozen allowed in most European nations.
Countries across the EU are working toward banning pesticides in playgrounds, parks, and playing fields, and have set a target to slash agricultural pesticide use in half by 2030. In the U.S., however, agencies continue to permit extensive use of hazardous pesticides.
The study examined data from 68 golf courses, including a minimum of five courses per U.S. region and three in Europe. Researchers used details such as pesticide product, application date, rate, and treatment area to develop a hazard quotient, a metric that compares exposure levels to chemical toxicity. Higher scores represent increased health risks, whereas lower scores suggest lower potential harm.
Despite varying climates, a high pesticide risk was relatively consistent across U.S. regions, while risks were notably lower in the UK and lowest in Norway and Denmark. In the Southern U.S., including East Texas and Florida, greens were the primary source of pesticide risk, whereas fairways contributed the most to overall risk in nearly every other region.
However, the dominant health risk varies by region: fungicides posed the greatest risk in Florida, the Midwest, Northeast, and Norway. Herbicides were the primary concern in East Texas, the Northwest, and Denmark, and insecticides carried the highest risk in the UK.
The findings highlight a growing divide between U.S. and European approaches to pesticide regulation on golf courses and other public spaces. While several European countries are moving toward stricter limits and reduced pesticide dependence, U.S. golf courses continue to rely heavily on chemicals associated with greater risks to human health and the environment. Researchers say the study underscores the potential benefits of adopting safer management practices and reevaluating pesticide policies to reduce long-term exposure risks.
To view the original scientific study click below:
Analyzing golf course pesticide risk across the US and Europe—The importance of regulatory environment
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