Controversies
Controversies tied to this brand in public sources. A listing is not a finding of fault.
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2022
Criticism over continued Russian operations
Syngenta's continued sales of seeds and crop-protection products in Russia after the invasion of Ukraine drew criticism from Ukrainian officials and civil-society groups.
2014
Dispute involving Tyrone Hayes and atrazine research
Syngenta faced allegations that public-relations activities sought to discredit University of California biologist Tyrone Hayes, whose research concerned possible effects of atrazine on amphibian development. Syngenta denied targeting Hayes and disputed the allegations.
2007
Regulatory scrutiny over sales to sanctioned countries
Syngenta came under U.S. Securities and Exchange Commission scrutiny concerning third-party sales of products in countries including Iran, Cuba, North Korea, Sudan, and Syria.
2007
Brazilian research-farm confrontation
An occupation of a Syngenta seed-research site in Brazil by landless farmers escalated into a violent confrontation involving private security personnel. One protester and one security guard were killed, and others were injured. A later Brazilian court rejected the company's characterization of the event as a simple confrontation and ordered compensation to victims' families.