Food safety

6-PPD quinone contamination is hitting stocks of culturally and economically important Coho salmon / Pic: GettyImates-y-studio

6PPD quinone: The environmental contaminant killing Coho salmon

By Katy Askew

An everyday chemical has been found to be highly toxic. Contamination of waterways is responsible for what had been the unexplained mass deaths of Coho salmon. We take a look at 6-PPD quinone, what it means for the food system and why it is important...

Getty/Luis Alvarez

‘Worrying’ pesticide levels found in Spanish foods

By Oliver Morrison

Ecologists in Spain are demanding a 50% reduction of the use of pesticides - especially those more toxic and unauthorized - after data revealed a ‘worrisome’ level of exposure of pesticide residues found in food in the country.