Schools shut in Tehran over air pollution

Officials in the Iranian capital, Tehran, have ordered the closure of kindergartens and elementary schools for a second consecutive day as heavy pollution continues to blanket the city of some 12 million.

Members of Tehran’s Air Pollution Emergency Committee decided in a meeting on Monday to shut kindergartens and primary schools in all but three cities of Tehran Province, official news agency IRNA, said.

The decision came as the average level of PM2.5 particles in Tehran’s air hit 156, a little lower than what was recorded in the city’s pollutant measurement stations a day earlier, but it is still more than three times the level considered safe.

Some neighborhoods in Tehran, especially in the south, center and east of the city, reported PM2.5 levels up to 200 on Sunday.

The committee also extended restrictions on the movement of cars in Tehran, saying that only sanctioned cars could travel in the central parts of the city, while police will be allowed to stop old and high-emission vehicles on the roads.

Sand plants in the west of Tehran, where the winds normally start to enter the city, were also shuttered, while people were advised not to participate in group exercises in parks and green spaces.

Officials said the pollution was expected to stay above Tehran until Wednesday when winds are expected to move the stagnant air.

Spared pollution levels like the ones recorded in India and China, heavy congestion and cold weather normally cause brown-white smog in Tehran in autumn and winter days each year.

Many blame the quality of gasoline and substandard cars for the poor air quality in the sprawling city.

Iran’s Health Ministry estimated that about 80,000 people died due to pollution across the country in 2012. The ministry also said that pollution contributed to the premature deaths of 4,500 people in Tehran in the same year.

Source: PressTV-Schools shut in Tehran over air pollution

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An inconvenient truth about Bonfire Night pollution

Pollutionwatch Substances released during Guy Fawkes celebrations are often the very pollutants that industry goes to great lengths to filter out

Guy Fawkes is often the most polluted evening of the year. Smoke from bonfires and fireworks can build up in our towns and cities. This smoke contains a unique mixture of metal particles that are used to propel and colour fireworks. These include red (strontium or lithium), blue (copper) and bright green and white (barium).

Lead, titanium and antimony produce crackles and sparkles, and potassium, aluminium and toxic organic compounds are used as rocket propellants. Ironically, these are many of the same pollutants that industry goes to great lengths to filter from the chimneys of waste incinerators and factories.

Last weekend, a steady wind dispersed the pollution quickly, avoiding the problems seen in 2014 when pollution in the West Midlands, Merseyside, Manchester and Yorkshire reached the top level of 10 on the UK air pollution index. This year, the maximum was measured in Swansea, which reached index level four. Even in Lewes, East Sussex, where Guy Fawkes is celebrated with great zeal, air pollution remained low this year.

It is unclear if Guy Fawkes pollution is mainly caused by fireworks or bonfires, or if they are both to blame. New Year and Diwali are celebrated with fireworks only, and do not normally lead to widespread pollution in the UK. However, this year Diwali triggered the start of a severe smog episode in Delhi that has extended into November.

In Scandinavia, Germany, Switzerland, Austria and parts of the Netherlands, Easter is marked by mass bonfire events but no fireworks. During 2014, smoke from these fires spread over a wide area including northern France.

Source: An inconvenient truth about Bonfire Night pollution | Life and style | The Guardian

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Gridlock in West Africa: Accra’s troubled attempts to tackle its traffic crisis 

In Ghana’s capital, cars, motorbikes and minibuses jostle for road space during a daily descent on the city centre. With air pollution killing thousands every year and Accra’s population set to double within 20 years, can the city find a solution?

very morning before the sun rises, Stella Ampofo, a 25-year-old single mother of two boys, frantically gathers her belongings and sets off for work to beat the morning traffic in Ghana’s capital, Accra. If she doesn’t leave before daybreak, congestion during rush hour could extend her 40-minute journey from Accra’s suburbs towards downtown to three or four hours.

“I’m in trouble if I leave my house around 6 or 6.30am,” Ampofo says. “I then won’t arrive at work until nine or 10am, and that creates a lot of problems with my manager because I’m supposed to get there by eight. If the government doesn’t do anything about the traffic, it’s not going to get any easier …”

To ensure a punctual arrival, Ampofo, a seamstress at a manufacturing centre that converts plastic waste into reusable products, leaves her home at 4am every day and begins work an hour later – just as the road traffic starts to build up, as roughly 2 million daily commuters converge on the central business district in downtown Accra.

Clouds of black exhaust fumes hover over the heads of impatient motorists. Cab drivers blast their horns, while pedestrians scurry on to rickety commercialised minibuses – referred to as “tro tros” by locals – that carry up to two-dozen passengers squeezed tightly together. Only motorcyclists who can skilfully manoeuvre between lanes are able to bypass the congestion.

Although gridlock typically costs European economies billions of dollars annually, insufficient data in developing countries makes it difficult to assess the economic impact on cities such as Accra. A recent report by the World Bankmeasuring the cost of air pollution globally, however, provides some insight into how congestion affects people’s health. Gridlock causes longer travel times, which increases fuel use and emissions. In 2013, a total of 17,524 Ghanaians died from air pollution, a 107% increase from 1990.

“Accra has struggled with the management of the mobility challenges and rising traffic congestion on almost all arterial routes to the central business district,” Lawrence Kumi, director of research, statistics and information management at Ghana’s Ministry of Transport, admits in an email. “The implementation of various remedial measures was on an ad-hoc basis and not well coordinated. There was the need for a holistic approach.”

In 2014, the government of Ghana began developing a plan to reduce congestion and overhaul the urban transportation system in the Greater Accra Metropolitan Area (Gama), which includes Accra and its outskirts. The plan was in collaboration with the Korea International Cooperation Agency (Koica), and supported by a $1.5m grant from the South Korean government.

Before the end of this year, the final transport master plan (TMP) is due to be presented to Ghana’s ministry of transport for implementation. The plan seeks to “bring together all modes of transport … not only by road” and “reduce traffic congestion and logistic costs” over the next 20 years.

Greater Accra’s current population of around 4.3 million is predicted to almost double by 2035 – likewise the number of vehicles on the roads. While increased congestion can reflect a city’s growing economic vitality, the potential negative effects – low worker productivity, hours-long delays, more dangerous roads, commuter stress, pressure on road infrastructure and an unhealthy intake of dirty fuel emissions – will place a serious strain on the city if it is not addressed soon.

Accra is not alone in facing transportation challenges. Nearby Lagos, the economic capital of Nigeria, is notorious for being one of the most gridlocked cities in the world. But its population is around five times Accra’s, and its economy greater than the whole of Ghana – so according to Kweku Amoasi, associate director for transport planning at the London-based engineering consultancy RSK, Accra should have no excuse when it comes to severe congestion.

“With a small population, Ghana should be able to manage traffic much better,” Amoasi says. “There’s just been a total lack of foresight. The planners should sit down and realise they’re not doing this for themselves; they’re doing it for the nation.”

Bernard Abeiku Arthur, a senior urban specialist with Belgium-based Cities Alliance, says it is this kind of regulatory neglect that has led to today’s unabating traffic troubles and dysfunctional transport system in Accra. “We knew the population was growing,” Arthur says. “We knew we were getting urbanised, but we ignored all the necessary ingredients and elements for planning our urban space properly.”

Arthur says the new TMP is “very fanciful” on paper, but also too limiting geographically – excluding regions beyond Greater Accra from which much of the traffic originates. “The urban area is impacted by the fringes,” Arthur said. “So if you’re doing your calculation and you cut out the fringes, you might not be doing a very good calculation.”

Francis Akakpo, programme officer at Koica in Ghana, says the planners were unable to conduct research on areas beyond the Greater Accra Metropolitan Area because of “limited time and resources”.

Ghana’s first mass transit bus system, Omnibus Services Authority, was established in 1927 during the British colonial period. After independence, public transportation remained largely state-owned until the late 1980s and early 90s, when the government divested itself of assets amid financial mismanagement. This was when the privately run buses appeared to fill the gap: the tro tro, a significant contributor to congestion, has been the most common mode of mass transportation ever since.

In September, however, the Greater Accra Passenger Transport Executive launched a pilot run of a new Bus Rapid Transport (BRT) system, unleashing city buses across several major routes throughout Greater Accra. In defiance of Ghana president John Mahama’s claims that this marked “the beginning of a new modern public transport network” for the city, tro tro operators and other commercial drivers threatened to strike over fears the new buses would force them out of operation.

The final TMP proposes building on the city’s new bus network by replacing thousands of tro tros with high-capacity buses that promise to be safer, faster and more comfortable – a move that looks set to increase tensions with the existing transport providers. These buses will only be released “on a gradual, incremental basis, to make room for adoption and acceptance”, says Koica’s Francis Akakpo.

But according to Abeiku from Cities Alliance, even a successful implementation of the public bus system will only provide minimal relief to congestion. For sustainable long-term improvements, he says, planners must commit to focusing on rail, tram and subway developments so commuters like Stella Ampofo aren’t forced to upend their daily lives just to get to work.

“We have to envision what kind of city we want Accra to be,” Abeiku says. “Do we want a city that supports its economy, whose people feel free to move around? A city where public transportation is properly regulated? That is the kind of city I want.”

Source: Gridlock in West Africa: Accra’s troubled attempts to tackle its traffic crisis | Cities | The Guardian

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Delhi is a wakeup call for world on air pollution

But this is not just a challenge in Delhi. It is a growing challenge for many cities around the world. Air pollution levels in other Indian cities, such as Varanasi and Lucknow, have been equally extreme in recent days. And over the past year, air pollution levels in London, Beijing, Mexico City, Los Angeles and Manila have exceeded international guidelines – in some cases by considerable margin.

Delhi is a wake up call to the world on air pollution.  It is a wake up call to all countries and cities where air pollution levels have resulted in death and illness amongst children.  It is a wake up a call that very clearly tells us: unless decisive actions are taken to reduce air pollution, the events we are witnessing in Delhi over the past week are likely to be increasingly common.

Recent UNICEF analysis has shown that, globally, 300 million children live in areas with the most toxic levels of outdoor air pollution – exceeding six times international guidelines.

Air pollution is a major contributing factor to some of the most deadly diseases children face, such as pneumonia. It also affects their overall health – studies show it is linked with and can exacerbate asthma, bronchitis, airway inflammation, coughing and wheezing. Illness associated with air pollution can affect children’s ability to go to school. New research even points to the effects it can have on cognitive development amongst very young children.

Those without access to medical treatment, who are often the poorest, and those who have preexisting respiratory conditions, are at especially high risk.  Almost a  million children under-5 die from pneumonia per year – and about half of those cases are directly linked with air pollution.

However, there is much that can be done to improve the situation. We need stronger measures to cut back on the sources of air pollution. Air pollution moves across borders, both national ones as well as subnational ones, and so we will need coherent government policies to address these transboundary risks.

Providing children with access to good quality healthcare is a major part of protecting them from air pollution.  Treatment and prevention programmes for pneumonia, as well as other respiratory conditions, can significantly reduce the chance a child falls sick or dies.

At a global scale, we need better monitoring of air pollution. When a child, a mother, a father or caregiver know how bad the air is on a real-time basis, they can begin to take actions to reduce exposure. Pregnant mothers, and others who are at especially high risk, should do their best to avoid areas where air pollution is at its highest. Public knowledge on air pollution is a key first step to tackling it – it is key to supporting government policies to reduce it.

This week is also the first week of COP22, the UN Climate Change Conference. Actions that reduce air pollution can not only improve children’s health, but can also go a long way to also reducing greenhouse gas emissions. As such, the argument for reducing air pollution could not be clearer. And because we can – we must.

Source: Delhi is a wakeup call for world on air pollution – UNICEF | Press centre | UNICEF

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The Guardian view on air pollution: the next generation carries the burden of our inaction

On Sunday, the capital city of one of the world’s fastest growing economies was effectively shut down in an emergency act. The reason was not terrorism, but air pollution. The threat to citizens from smog in Delhi was judged so great that traffic was ratioined, coal-fired power stations closed and diesel generators suspended. This was a brave and sane decision in the world’s largest democracy.

Right now Delhi is the world’s most polluted city. But air quality is at crisis levels in cities around the world. More than 300 million children live at the severest risk, Unicef declared last week, and 2 billion in areas where outdoor pollution exceeds health guidelines. Half of Delhi’s schoolchildren have permanently impaired lung capacity, thanks to the air they breathe.

India’s capital city is telling people to stay away or work from home, but offering no compensation to those who cannot, or whose livelihood suffers. This can only be a short-term solution; it hurts those who can least bear it. Although the prime minister Theresa May will have been sheltered from the worst of the choking smog during her trip to India, arriving in Delhi should have been a powerful warning about the effects of privileging growth over environmental concerns. Citizens of rich countries are sometimes too relaxed about such things when air pollution afflicts the richest cities as well as the poorest. That London has not yet been closed down in similar fashion to Delhi is only through lack of courage on the part of the government.

Air quality in London has hit levels worse than those in Delhi and Beijing. Earlier this year, annual air pollution limits were breached in just a week. Earlier this month, in what may be one of the last chances to bring EU law to bear on the issue, the high court ruled that the government had knowingly failed to draw up plans to bring it within legal limits and there must be immediate action, even if that means drastic measures to curtail traffic.

The causes of air pollution differ around the world, from coal-fired power plants to agricultural burning. One constant is traffic. Older cars and diesel engines produce particulates that clog up the lungs and may enter brain tissue, and nitrogen oxides that affect breathing. Car manufacturers were forced to admit last year that they had flouted tests on their diesel emissions. But the bigger question is why in a shortsighted attempt to reduce greenhouse gases by a tiny amount (diesel cars do more miles to the gallon) the risks were ignored, and customers persuaded that diesel cars were actually greener.

Now that the consequences for air quality are clear, it is time to rebalance taxation and regulation in favour of petrol, which is cleaner though producing more carbon, and urgently incentivise electric cars. In London Sadiq Khan, the new mayor, to his credit has taken a strong line on air pollution, in contrast to Boris Johnson’s tactics which amounted to unconvincing denial and attempts to silence scientists. Mr Khan should move faster still on banning the most polluting vehicles – he would find public support in inner London.

Air pollution shames us all. From Beijing to Los Angeles, Marseille to Manila, the air we breathe in cities has deteriorated so much that it is no longer safe for children. Adults who grew up breathing cleaner air are more resilient in the face of polution. But when a child’s lungs are damaged, they are damaged for life. The next generation already carries the burden of our inaction. This is a problem we know how to solve. Cut down coal-fired power, cut out diesel in cities, encourage electric cars and public transport. India should follow the declaration of emergency with long-term action, not just this short-term fix. Richer cities, London foremost among them, should be ashamed that they, with all their resources, have failed their children for so long. The high court judges were right. The government can and must act now.

Source: The Guardian view on air pollution: the next generation carries the burden of our inaction | Editorial | Opinion | The Guardian

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Pollution near equator has biggest impact on global ozone levels, study finds 

When it comes to air pollution, a new study has found countries close to the equator do more damage than their northern neighbours, even when those in the tropics produce fewer emissions.

When it comes to air pollution, a new study has found countries close to the equator do more damage than their northern neighbours, even when those in the tropics produce fewer emissions.

The study, published today in the journal Nature Geoscience, looks specifically at global levels of ozone — a greenhouse gas and toxic air pollutant — which have increased worldwide over the last three decades.

“We wanted to ask the question how much of that change that’s happened over the last three decades is due to the change in location of emissions versus the increase in total emissions globally,” Jason West, who led the research at the University of North Carolina-Chapel Hill, told CBC News. “So we separated out those two factors and we found that change in location was by far the most important.”

That means where we pollute matters more than how much we pollute, at least when it comes to ozone-producing chemicals from car exhaust fumes, power plants, biomass burning and more.

So while China’s emissions have increased more than India’s and Southeast Asia’s from 1980 to 2010, the last two have contributed more to the total global ozone increase, the researchers say.

These findings are significant as more ozone-forming emissions come from rapidly industrializing nations in South and Southeast Asia — places like India and Indonesia.

Historically, most emissions have come from North America and Europe, says West.

“But that’s changed a lot over the past few decades as we have controlled our emissions and other parts of the world have industrialized,” West said. “So that shifted emissions toward the equator.”

More sun, more ozone

The sunny climate in these nations exacerbates the problem.

That’s because people don’t actually emit ozone into the atmosphere. Rather, we emit a whole slew of other pollutants called nitrogen oxides, which form ozone when they come into contact with ultraviolet light.

In the stratosphere, part of the upper atmosphere, ozone protects us against the sun’s ultraviolet rays. But when ozone forms in the lower atmosphere, or troposphere, it becomes very dangerous to human health, causing respiratory problems and heart disease.

The intense, heat-producing sunlight near the equator speeds up the chemical reactions that form ozone. The higher temperatures also push the air up faster, transporting more pollutants higher into the troposphere, where they stick around longer and produce more ozone.

None of this is groundbreaking — scientists have long known that emissions from tropical locations have a greater impact on ozone production — but the scale of it took the researchers by surprise.

“We thought that the change in location would be important, but we didn’t expect really that it would be the most important,” West said. “When we first saw the results we thought it was surprising, and so of course we checked and double checked and found that that was the case.”

Nobody’s off the hook

Those findings, he said, should have a serious impact on policymaking going forward, especially as it pertains to international agreements to combat air pollution.

“The world is changing and emissions are continuing to grow and they’re continuing to shift toward the equator,” West said.

But nobody’s off the hook. Global ozone levels affect everybody, West said, and when it comes to our health, local air quality matters most.

“So we have every incentive to reduce our own emissions.”

Source: Pollution near equator has biggest impact on global ozone levels, study finds – Technology & Science – CBC News

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1,200 premature deaths caused by air pollution in Ireland 

Approximately 1,200 people die prematurely in Ireland every year as a result of air pollution.

“In Ireland the premature deaths attributable to air pollution are estimated at 1,200 people,” states today’s Environmental Protection Agency (EPA)’s report.

“The most common causes of premature death attributable to poor air quality are strokes and heart disease.”

In contrast with our European counterparts, the World Health Organisation (WHO) estimates that more than 400,000 premature deaths can be linked to poor air quality in Europe annually.

Overall, however, Ireland’s air quality is “good relative to other EU member states”. The introduction of the smoky coal ban in Dublin in 1990 has played a key role in this and this ban will be extended nationwide in 2018.

There are some specific challenges though, in spite of the general picture; in urban areas such as Dublin and Cork, levels of nitrogen dioxide are close to the specified EU limit values for air quality as a result of exhaust emissions from vehicles.

As a country, we face significant challenges in order to meet new air quality standards for fine particulate matter (PM10 and PM2.5) concentrations by 2020.

PM10 refers to particles with a diameter of less than 10 micrometres. These particles can penetrate the lungs, while the related pollutant PM2.5 refers to particles with a diameter of less than 2.5 micrometres.

This smaller size allows them to penetrate the alveoli of the lungs, where gaseous exchange occurs.

“PM10 concentrations have decreased in urban environments since the early 2000s, mainly as a result of the shift from residential solid fuel and developments in diesel particulate filter technology.

“The picture in smaller towns and villages in Ireland is different, where the predominant source of PM is combustion of solid fuel,” states the EPA report.

The agency said a key part of the approach to tackling our air quality challenges is through public engagement.

Some suggestions, from the EPA that members of the public could implement are: Using low-smoke solid fuel, opting for public transport where possible, switching to a gas boiler, and transitioning to a hybrid or electric car.

Source: 1,200 premature deaths caused by air pollution in Ireland | Irish Examiner

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Ban on crackers, deregistration of old diesel vehicles: Delhi govt’s measures to tackle pollution 

The Delhi Lieutenant Government Najeeb Jung has directed agencies to ensure that immediate measures are taken to ensure the steps taken to mitigate Air Pollution in Delhi are strictly implemented.

The Delhi government on Monday listed out measures which will be implemented to tackle the worsening air quality in the city. According to the government, a complete ban will be imposed in the city on crackers, other than for religious functions. The government has also decided to disallow overloaded, non-destined trucks into the city to reduce traffic congestion. The government has put a stoppage on all construction activity in Delhi till November 14 and all pollution creating industries will also be shut down.

Besides, the government declared that deregistration of 15-year-old diesel vehicles in the city will begin from today. The government will review these measures on November 15.

In the meantime, Delhi Lieutenant Government Najeeb Jung has directed agencies to ensure that immediate measures are taken to mitigate air pollution in Delhi are strictly implemented. Jung also asked MCD to take measures to control fire in Bhalswa as soon as possible. He also directed Delhi Police and Municipal Corporation to implement an action plan.

The pollution levels in Delhi has hit an all time-high since last week after Diwali. The city is covered with toxic smog and many have complained of irritation in eyes and throat. The air is dangerous even for healthy children and adults, which is recorded at ten times the permissible levels of PM2.5 and PM10.

Meanwhile, the Delhi government today suggested the Centre to consider engineering artificial rain over Delhi and the NCR region which are grappling with record- breaking levels air pollution. At a meeting between the Centre and NCR states, Delhi Environment Minister Imran Hussain said “the Centre should consider (engineering) artificial rains.” However, Union Environment Minister Anil Madhav Dave said there is a need to examine its “workability”.

Source: Ban on crackers, deregistration of old diesel vehicles: Delhi govt’s measures to tackle pollution | The Indian Express

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