HANOI: A major mercury leak, tap water contamination, and "alarming" levels of haze - several pollution crises in Hanoi have sparked public fury and accusations that Vietnam is putting the economy ahead of the environment.

Long tapped as an investors' paradise thanks to its low-cost labor and pro-business policies, rapidly industrializing Vietnam is one of Asia's fastest-growing economies.

Air in Hanoi turns into smog in rash hours

Buoyed by exports of cheaply made goods from Nike shoes to Samsung phones and H&M T-shirts, growth has hummed along at more than 5 per cent for more than a decade.

But that has come at a cost, especially in major cities like Hanoi, the buzzing capital of more than eight million people - and 13 industrial zones - that has been rattled by a series of environmental disasters.

First came a lightbulb factory fire in August that saw a mercury leak and an official warning not to eat vegetables, chicken or fish from the area.

Then came a spate of bad air days that briefly landed Hanoi at the top of major polluted cities list by Swiss-based monitor AirVisual.

Now an estimated one million people are reeling from a contaminated tap water crisis after a brick factory was blamed for dumping oily sludge into a river that supplied several Hanoi neighborhoods.

"The government is prioritizing economic growth more than the environment," said Do Thanh Huyen, an associate at Dezan Shira & Associates, a business consultancy firm in Hanoi.

The water crisis - and the government's slow response to it - sparked a flurry of online protest from locals, many still relying on bottled water more than 10 days after the oil dump.

Residents reported pungent-smelling water coming out of taps and showerheads but it took authorities days to warn people not to drink or cook with it.

Local media reports it tested positive for styrene, an industrial chemical linked to some cancers.

Three people have been arrested in connection with the incident, but some lay blame with the government despite its promises to investigate.

"Authorities here lack transparency and professionalism, that's why we don't trust them," said office worker Ngo Kim Ngan, who sent her children out of her neighborhood to bathe during the crisis.

"ANOTHER BEIJING"

The mounting anger comes three years after a devastating toxic dump in 2016 that killed tones of fish in central Vietnam and sparked months of protests across the country.

Taiwanese steel firm Formosa was blamed for releasing chemical waste into the ocean.

But a Formosa executive said after the disaster Vietnam had to choose between growth and environmental safety.

Industrial output has steadily risen over the past decade - fuelled in part by a rush of coal power plants - while carbon emissions have mushroomed as well.

This, along with vehicle emissions, agricultural burning and construction dust have all added to poor air quality, and Hanoi frequently sees winter months reaching above average "unhealthy" AQI levels, according to AirVisual data.

Some fear Vietnam could go the way of industrialized Chinese and Indian megacities, where smoggy skies and face masks have become the norm.

"Hanoi doesn't want to be another Beijing. We don't want to be a paradise for people to discharge waste," Huyen said.

But Vietnam could be heading on that track.

In 2016 more than 60,000 deaths were linked to air pollution, according to the World Health Organization.

The city's livability ranking is 107 out of 140 cities on the Economist Intelligence Unit's annual index, behind Bangkok, Manila and Kuala Lumpur.

Hanoi's standing is at "risk" because of its lack of action on environmental issues, said Pamela Qiu, Economist Corporate Network's Southeast Asia director.

Business could also be hit. Dezan Shira warns in a report this month that "alarming" air pollution levels could turn off potential investors and recruiters who may find it hard to attract talent.

The reputational risk could be a problem for Hanoi authorities, eager to brand it as a cosmopolitan capital open to global leaders and world travelers, with the city's first F1 race set for next year.

But for some hazy skies, garbage-strewn rivers and polluted tap water have already rendered Hanoi unrecognizable.

"Hanoi is no longer our Hanoi," said Nguyen Vinh, a 65-year-old veteran born in the city.

"It is polluted - air, water, everything."

Hanoians and residents of other big industrial Vietnamese cities suffer from constantly severe pollution. The health of little children – the future generations of Vietnam is from the day of birth is being undermined by toxic environmental chemicals that attack them stronger day by day.

Currently the government does not offer any concrete effective steps how to significantly reduce the pollution. Thus, protecting the health is people’s own responsibility.

Doctors are concerned that sometimes people underestimate the dangers and negative effects of a polluted environment on health. But sooner or later permanent breathing polluted air, drinking polluted water and eating vegetables contaminated with nitrates and pesticides, results in numerous serious chronic health problems like: cardiovascular diseases, diseases of nervous and digestive systems and cancer.

The only one possible way to protect the health from environmental chemicals is conducting regular body detoxification. Detoxification is periodic application of detox products that effectively help to eliminate various chemicals from the body.

Vietnamese and Ukrainian doctors recommend to use PECTIN COMPLEX - it’s a 100% natural detox health supplement imported from Ukraine. It has a scientifically proven ability to bind and eliminate heavy metals, nitrates, pesticides, radionuclides from the body without eliminating essential vitamins and trace elements.

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