A Guardian investigation with DeSmog reveals thousands of tonnes of fish are illegally turned into fishmeal and oil off the coast of Guinea-Bissau

The only ice factory on Bubaque, an island in west Africa’s Guinea-Bissau, is out of service. Local fishers, such as Pedro Luis Pereira, are forced to source ice from factories on the mainland, about 70km away – a six-hour round trip by boat.

“The machines have been broken for months,” Pereira says, as he pulls in his nets on the shore of the island inside the protected Bijagós archipelago. “We’ve alerted the ministry of fisheries, but so far, no one has come to fix them.”

Foreign industrial vessels anchored near the port of Bissau. Photograph: Davide Mancini