1 out of every 5 cups of coffee contains traces of banned pesticides

©Candice Picard via Unsplash

Are you also hooked on a cup of coffee? Does it help you get through a busy workday or a demanding exam period? A new study shows that this “black gold” also carries a striking hidden risk to our health.

In fact, one in five cups of coffee contains traces of pesticides that are banned in the European Union. This is according to a new report by the NGO Coffee Watch. The organization warns that pesticide residues are finding their way back into our cups via the international coffee supply chain, even though many of these substances are no longer permitted in Europe itself.

Coffee Watch bases its findings on more than a hundred scientific studies and states that coffee production in many countries still relies heavily on substances that are banned or heavily restricted in the EU. According to a parallel report by PAN Europe, banned pesticides are also found in other food products on the European market, and coffee is one of the hardest-hit categories. Meanwhile, the European Commission maintains a database of authorized substances and maximum residue limits, but practices in producing countries differ significantly from European regulations.

Farmers and plantation workers face the greatest risk. After all, they are repeatedly exposed while mixing and spraying pesticides, often without adequate protection, which can lead to acute poisoning. In the long term, the report also points to an increased risk of cancer, hormonal disruptions, and neurological symptoms. Neighbors and local communities are also at risk, for example through contaminated water or pesticides that are blown onto nearby land.

A pesticide cocktail in your head?

For consumers, the picture is less clear-cut, but still not reassuring. Coffee Watch refers to residues of multiple substances at the same time, the combined health effects of which are not sufficiently understood. Previous scientific studies do show that roasting and brewing coffee can significantly reduce pesticide levels, but do not always eliminate them entirely—especially in the case of chemicals that are more heat-resistant. This explains why producers cannot simply reassure us with the argument that roasting the coffee beans destroys all pesticide residues.

The NGO also highlights the environmental damage. Intensive coffee cultivation degrades the soil, pollutes rivers, and reduces biodiversity, while climate change increases the pressure as pests appear more frequently and farmers use even more chemicals. Coffee Watch therefore advocates for an end to the export of pesticides banned in Europe, stricter import controls, and support for agroecological farming methods such as shade-grown coffee and integrated pest management.

©Candice Picard via Unsplash - illustrative image