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Thailand reverses ban on weed killer linked to cancer


THAILAND reversed a decision on Wednesday to ban a controversial weedkiller and extended the permitted use of two other pesticides for six months, following pushback from its multi-billion dollar agriculture industry.

Glyphosate - a weed killer better known by its trade name Roundup - is a lightning rod for controversy, as more than 42,700 lawsuits pile up in the US with plaintiffs alleging that it caused diseases including terminal cancers.

But it remains popular among farmers in Thailand - one of the world's leading rice and sugar producers - who are among the heaviest users of pesticides in a sector that employs 40 per cent of the population.

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Studies have linked glyphosate, paraquat and chlorpyrifos to a variety of illnesses, and the kingdom last month decided the trio would be prohibited from its crops by Dec 1.

But Thailand's National Hazardous Substances Committee ruled on Wednesday that the continued "limited" use of glyphosate would be permitted, said Industry Minister Suriya Juangroongruangkit, without elaborating.

The committee's decision, which was "unanimous", also allows farmers to continue using the two other pesticides until June 1, 2020, he added.

Paraquat, a herbicide which the US Centers for Disease Control calls "highly poisonous", has been banned in the European Union since 2009, while studies have linked chlorpyrifos to developmental delays in children.The weedkiller remains popular among agricultural workers for its effectiveness and its low cost, and is still widely used in the US.

The government said an abrupt ban would be costly because of the need to destroy some 23,000 tonnes of the chemicals remaining in the country. The government would also face a 20-billion-baht compensation bill to clear the chemicals, Mr Suriya said.

Biothai, a foundation advocating for the ban, called Wednesday's decision "disappointing", adding that a six-month extension for the use of the other two chemicals "could affect the health of farmers, consumers and children". AFP, REUTERS, BLOOMBERG