A lagoon in Argentina's southern Patagonia region has turned bright pink in a striking but frightful phenomenon experts and activists blame on pollution by a chemical used to preserve prawns for export.
The color is caused by sodium sulphite, an anti-bacterial product used in fish factories, whose waste is blamed for contaminating the Chubut river that feeds the Corfo lagoon and other water sources in the region, according to activists.
Residents have long complained of foul smells and other environmental issues around the river and lagoon.
'Those who should be in control are the ones who authorize the poisoning of people,' environmental activist Pablo Lada said, blaming the government for the mess.
A lagoon in Argentina's southern Patagonia region has turned bright pink in a striking but frightful phenomenon experts and activists blame on pollution by a chemical used to preserve prawns for export
The colour is caused by sodium sulphite, an anti-bacterial product used in fish factories, whose waste is blamed for contaminating the Chubut river that feeds the Corfo lagoon and other water sources in the region, according to activist
The lagoon turned pink last week and remained the abnormal colour on Sunday, said Lada, who lives in the city of Trelew, not far from the lagoon and some 870 miles south of Buenos Aires.
Environmental engineer and virologist Federico Restrepo said the colouration was due to sodium sulphite in fish waste which, by law, should be treated before being dumped.
The lagoon, which is not used for recreation, receives runoff from the Trelew industrial park and has turned the colour of fuchsia before.
But residents of the area are fed up.
In recent weeks, residents of Rawson, neighbouring Trelew, blocked roads used by trucks carrying processed fish waste through their streets to treatment plants on the city's outskirts.
Lada said: 'We get dozens of trucks daily, the residents are getting tired of it.'
Residents have long complained of foul smells and other environmental issues around the river and lagoon and the lagoon turned pink last week and remained the abnormal colour on Sunday
Environmental engineer and virologist Federico Restrepo said the colouration was due to sodium sulphite in fish waste which, by law, should be treated before being dumped
The lagoon, which is not used for recreation, receives runoff from the Trelew industrial park and has turned the colour of fuchsia before. But residents of the area are fed up
With Rawson off limits due to the protest, provincial authorities granted authorisation for factories to dump their waste instead in the Corfo lagoon.
Environmental chief for Chubut province Juan Micheloud said last week: 'The reddish colour does not cause damage and will disappear in a few days.'
Sebastian de la Vallina, planning secretary for the city of Trelew disagreed: 'It is not possible to minimise something so serious.'
Plants that process fish for export, mainly prawns and hake, generate thousands of jobs for Chubut province, home to some 600,000 people.
Dozens of foreign fishing companies operate in the area in waters under Argentina's Atlantic jurisdiction.
'Fish processing generates work... it's true. But these are multi-million-dollar profit companies that don't want to pay freight to take the waste to a treatment plant that already exists in Puerto Madryn. 35 miles away, or build a plant closer,' said Lada.
According to the environmental chief for Chubut province Juan Micheloud, the colour does not cause damage and will last for a few days. However, Sebastian de la Vallina, planning secretary for the city of Trelew, disagreed and said that it is 'not possible to minimise something so serious'
Plants that process fish for export, mainly prawns and hake, generate thousands of jobs for Chubut province, home to some 600,000 people. Dozens of foreign fishing companies operate in the area in waters under Argentina's Atlantic jurisdiction
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