The Seattle Statement on Glyphosate and Public Health, adopted on 25–26 March 2026 in Washington, is urging immediate global action on glyphosate regulation, citing strong evidence of health risks. The declaration, signed by international scientists, warns that current exposure levels pose significant risks across the chemicals value chain, from agriculture to food systems and public health oversight.
Glyphosate, the world’s most widely used herbicide, has seen exponential growth in use since its approval in 1974. It is commonly applied in agriculture, forestry, and urban environments. According to the statement, human exposure occurs primarily through food consumption, with biomonitoring studies detecting residues in 70–80% of individuals tested.
The authors conclude that glyphosate and glyphosate-based herbicides can cause cancer, particularly non-Hodgkin lymphoma, and are linked to broader health concerns including liver and kidney disease, endocrine disruption, and neurological effects. Vulnerable groups such as children and agricultural workers face the highest risks.
The statement challenges existing pesticide approval frameworks, arguing they fail to adequately protect human health. It calls for glyphosate regulation to be strengthened immediately, including classification as a hazardous substance and restrictions or phase-outs where necessary.
For regulatory professionals and manufacturers, this signals potential tightening of compliance obligations. Companies may need to reassess product portfolios, supply chains, and exposure mitigation strategies. The recommendation that all supporting scientific data be publicly available also points to increased transparency requirements.
Beyond manufacturers, the implications extend to food producers, retailers, and water utilities. Residue monitoring, labelling, and sourcing standards could face heightened scrutiny. The statement also warns against substituting glyphosate with equally harmful alternatives such as paraquat, highlighting the need for safer pest control innovations.
Importantly, the authors advocate systemic reform of pesticide risk assessment, including accounting for cumulative exposures and vulnerable populations. This aligns with global sustainability targets, including the UN goal to reduce pesticide risks by 50% by 2030.
Short-term measures include implementing proven exposure reduction practices, particularly for workers handling glyphosate. Longer term, organisations should invest in alternative weed management technologies and strengthen regulatory monitoring capabilities.
Professionals should closely track upcoming regulatory developments and prepare for stricter glyphosate regulation across multiple jurisdictions.
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