Unless you are cycling in Beijing, air pollution is largely invisible. Since the Clean Air Acts of the early 1950s banned burning coal in the city, London’s killer smogs have gone underground, to be replaced by vehicle emissions of every kind.
Air pollution can be deadly to those with heart and lung disease, asthma and all respiratory conditions. But death is rarely instantaneous. So the scientists have calculated that an average Londoner exposed to 2010 levels of pollution through their lives could lose around 16 months from nitrogen dioxide (NO2) pollution. This is around three hours loss of life each week. Put another way, the invisible toxic gas, which is the product of diesel combustion, contributed to the deaths of almost 5,000 people annually on top of the 5,000 who are hastened to the grave by better-known pollutants such a sulphur.
The Mayor of London, Boris Johnson, has often expressed his concern over the health effects of air pollution on Londoners and several future Mayoral hopefuls have singled it out as a campaign issue. It is therefore beyond puzzling that last week Boris approved highly controversial plans for a new cruise liner terminal at Greenwich, which will spew even more nitrogen dioxide into an area which already suffers from its proximity to the Blackwall Tunnel and is one of the worst polluted in London.
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“It will provide a major boost to tourism, benefit the local economy and further contribute to London’s status as a world leading city,” said Deputy Mayor Sir Edward Lister. The announcement mentioned “international, national and local emissions legislation, which requires vessels to burn less than 0.1 per cent sulphur emissions”; sulphur – but not NO2 emissions, mysteriously absent from the statement.
The Mayor’s consultants conceded that “there could be some moderate adverse impact on occasion”, but then the consultants don’t live in Greenwich. Oh – and £400,000 has been secured towards “ongoing environmental monitoring of air quality in Greenwich”. Hurrah!
The main issue appears to be the promoters’ insistence on fuelling berthed cruise ships with “dirty” onboard generators rather than buying power from onshore sources, which would be much cleaner but more expensive.
Ralph Hardwick is a mechanical engineer and a former Naval Scientist working for the MoD. “If I drive a small truck weighing more than 3.5 tons that does not meet the Euro 4 emission level into London's low emission zone I would receive a penalty charge of £1000”, he said. “Given that a cruise ship generates the same amount of pollution as 40 idling HGVs, will the GLA be charging the cruise operator £40,000 whenever a ship arrives at Greenwich?”
Ironically, the planning application also included permission to build 477 new flats, in three massive towers, next to the new terminal. Although the proposal includes a derisory 16 per cent "affordable" housing, it seems to have been waved through like an afterthought in the wake of the wonderful cruise ships.
I wonder whether the developers will tell prospective buyers of their luxury flats to expect heavy air pollution as a free extra? I somehow doubt it.
London smog: Then and now
London smog: Then and now
A London policeman wearing a mask for protection against the thick fog which hit most of the country and turned to smog in the city
A cyclist wears a mask with an air filter as he cycles through Hyde Park
Heavy smog in Piccadilly Circus, London, 1952
The Shard and St Paul's Cathedral from Hampstead Heath in London
A couple of office workers wearing masks to protect them from the dangerous smog in London, 1953
A cyclist wears an anti air pollution mask as she cycles along The Mall
A London bus makes its way along Fleet Street in heavy smog,1952
A view of London skyline covered in smog.The environment department confirmed that the air pollution level could reach the top rung on its 10-point scale
Morning traffic at Blackfriars, London almost at a standstill because of the blanket smog,1952
Dust settled on a vehicle in South Kensington, which has blown up from the Sahara desert
A tugboat on the Thames near Tower Bridge in heavy smog, 1952
A view of the Tower Bridge as the country continues to experience 'very high' levels of pollution
A couple wearing masks to protect them from the smog in Blackfriars,1954
Tourists wear face masks
A woman wears mask in London, 1953
A woman wearing an anti-pollution mask rides a bicycle at Hyde Park Corner
Smog masks have become all the rage in London due to the life threatening levels of air pollution with result in severe smog or 'pea soupers', 1953
A couple stands on the viewing platform of a skyscraper