A recent investigation has revealed glyphosate, a cancer-linked pesticide found at UK playgrounds and classified by the World Health Organization (WHO) as a probable human carcinogen, in 8 of 13 playgrounds, spanning areas including Kent, Cambridgeshire, Milton Keynes, and Tower Hamlets.

Soil and surfaces of play equipment, such as slides and swings, were found to contain glyphosate and its breakdown product, AMPA, which have led to worries about the potential health risks, particularly for children who regularly play on these surfaces. The charity Pesticide Action Network UK (PAN UK) conducted the tests, and the results underscore growing concerns about the continued use of this controversial pesticide in communal areas.

What is Glyphosate, and Why is it a Concern?

Glyphosate is the main ingredient in many common weed killers, which is widely used to control unwanted plants in parks, sidewalks, cemeteries, and playgrounds, and the WHO’s International Agency for Research on Cancer (IARC) classified glyphosate as a probable carcinogen in 2015, meaning there is scientific evidence suggesting a connection between exposure to glyphosate and an increased risk of cancer in humans.

Studies suggest that repeated exposure to glyphosate may be associated with cancers, such as non-Hodgkin lymphoma, and can also potentially contribute to other health problems, including kidney and liver disease, hormone disruption, and reproductive issues. These risks are more serious when exposure occurs at a young age.

Children are especially at risk because they spend a lot of time in direct contact with grass, soil, and play equipment, and often put their hands or objects in their mouths, raising the possibility of swallowing residues.

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Key Findings From the Playground Study

The PAN UK study, which included a cancer-linked pesticide found at UK playgrounds, revealed some alarming trends:

• Glyphosate was present in over 60% (8 of 13) of the playgrounds that were tested.
• The tested locations were not near farms, which suggests that the contamination came from local council applications rather than agricultural sources.
• The London Borough of Hackney, which stopped using pesticides in public green spaces in 2021, was the only area that showed no traces of glyphosate.

Here’s a quick overview of the playground contamination findings:

These findings are based on data from PAN UK Testing & Advocacy Groups.

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UK Councils & Glyphosate Usage Patterns

Research conducted by campaigners using Freedom of Information requests shows that the use of glyphosate by local councils is still widespread.

• 73% of councils use pesticides in parks and green spaces.
• 76% apply glyphosate on roads and sidewalks.
• Most councils do not have clear plans to reduce pesticide use.

In 2024, over 350 tons of cancer-linked pesticide found at UK playgrounds, which is equivalent to the weight of more than 20 double-decker buses. Around 45% of councils say they are taking steps to reduce or stop pesticide use in public places, which shows a growing recognition of the need for safer options.

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The Scientific and Regulatory Discussion

Despite the WHO’s classification, organizations such as the UK’s Health and Safety Executive (HSE) continue to review the safety of glyphosate. A full re-evaluation of its approval is expected in 2026, which will involve public input on whether glyphosate should continue to be allowed.

Scientists such as Professor Michael Antoniou (King’s College London) argue that the long-held belief that glyphosate is safe at low levels does not hold up to scientific examination, noting that no clearly safe dose has been established, especially for children.

Supported by MPs such as Siân Berry, campaigners are advocating for legal bans on glyphosate use in playgrounds and other public areas, promoting non-chemical methods for weed control instead.

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What Can Communities and Parents Do?

Concerned parents and local residents are campaigning for:

• Public spaces without pesticides, particularly in areas where children play.
• More transparent reporting of council pesticide applications.
• The adoption of non-poisonous weed control methods, such as manual removal or organic alternatives.

Several European countries, including France, Denmark, and the Netherlands, have already restricted or banned glyphosate in urban public areas because of health and environmental concerns.

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Conclusion

The discovery of a cancer-linked pesticide found at UK playgrounds, like glyphosate, is a serious issue and a call for action, raising urgent questions about the long-term health effects of using these chemicals extensively in areas used by families and children.

Years of scientific evidence suggest that children’s exposure to dangerous pesticides should be taken seriously, and community involvement is important for creating safer environments. Public pressure and evidence-based advocacy will play the main roles in shaping safer policies for everyone as regulatory reviews take place in 2026, most importantly for the youngest and most at-risk.

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FAQs

1. Is glyphosate really linked to cancer?

Yes, the World Health Organization’s cancer research unit has classified glyphosate as a likely human carcinogen, meaning there is evidence connecting it to an increased cancer risk.

2. How are kids exposed to glyphosate in playgrounds?

Children can be exposed through contact with polluted soil or equipment surfaces, particularly if they touch those surfaces and then put their hands in their mouths.

3. What are a few options instead of using glyphosate in public spaces?

Some other options include physical weeding, using hot water or steam to control weeds, and planting ground covers that prevent unwanted plants from growing.

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