PCB is in the ocean – and it’s killing our orcas

PCB (polychlorinated biphenyls) is a chemical which was among others used in paints, adhesives and transformers until they got banned in the late 1970s due to its toxic and carcinogenic behaviour (The Guardian, 2018). Although the production of the persistent PCB has stopped, it is still circulating in the atmosphere, the oceans and soil and… Continue reading PCB is in the ocean – and it’s killing our orcas