Mercedes Leon: 'River Thames' (from her
2012 print collection London and You)
It's important when considering the natural environment not to view the subject through rosy-green tinted spectacles and imagine that things were always better in the past, because, as a matter of fact, they were very often worse - much, much worse.
Take the River Thames, for example ...
As early as the 14th century, London's dark river was effectively functioning as an open sewer. An ever-expanding population greatly increased the amount of human and animal waste deposited in the water and, in 1357, even the royal nose of Edward III had detected the abominable stench that resulted from the dung and other filth accumulated along the banks.
Five hundred years later and things hadn't improved. Indeed, the condition of the Thames had significantly deteriorated. For not only was raw sewage still being cheerfully dumped into the River, but the many new factories built alongside were now discharging industrial waste products, including ammonia, cyanide, and carbolic acid.
These and other lethal elements eventually poisoned whatever wildlife remained. And, perhaps not surprisingly, between 1832 and 1865 tens of thousands of Londoners died due to outbreaks of cholera; some historians have also attributed Prince Albert's death in 1861 to typhoid, caused by the disease-ridden waters around Windsor Castle.
If Edward III found things intolerable in his day, one wonders what he would have made of the so-called Great Stink of 1858 when the stench of the River became so overpowering that proceedings in the House of Commons were suspended; this despite the fact that chlorine-soaked curtains had been hung in the windows of Parliament in an attempt to neutralise the odour.
Although the decline of heavy industry and the closing of the docks during the twentieth century led to improved water quality, nevertheless the River still sweated oil and tar and still bubbled with methane gas. Finally, in 1957, the Thames was officially declared to be biologically dead; there was insufficient oxygen to support any life bigger than shit-eating bacteria.
Today, however, things are better - much, much better and the River lives once more! Thanks to a raised level of concern for the natural environment, there are now much tighter regulations governing what can and cannot be dumped in UK rivers and waterways and sewage systems have gradually been either repaired or replaced.
It's believed there are 125 species of fish - including salmon - once more inhabiting the Thames and a wide variety of other creatures have also remade a home in (or on) the river; including eels, birds and marine mammals such as seals and porpoises.
But of course, it's important not to get carried away; if the River is cleaner and healthier than it was fifty or a hundred years ago, one still wouldn't want to go swimming in it. For one thing, the sewage problem hasn't been completely solved. Not only does treated waste matter from the towns and villages in the region continue to flow into the Thames, but heavy rainfall typically overburdens London's ancient sewers and the excess rainwater mixed with untreated effluence is released into the River to prevent flooding.
Such discharge events - which happen once a week on average - obviously have a negative impact. However, the Thames Tideway Scheme - currently under construction at a projected cost of £4.2 billion - aims to collect the raw sewage before it overflows and it is hoped that the project will ultimately result in a 90% reduction of shit entering the River. Again, that's good news. But the real problem, however, remains a very modern form of waste - plastic ...
Despite a recent campaign to raise public awareness of the issue, there's still a huge amount of plastic waste material floating in the Thames, putting animals large and small at risk not only of becoming trapped in it, but of digesting it too (next time you apply your facial scrub with microbeads you might want to think about this).
Thames Water claims to remove 25,000 tonnes of plastic waste from their sewage system every year. Unfortunately, tiny pieces of plastic routinely pass through the filters and screens in treatment plants, thus entering the River (and the food chain) where they take decades to decompose.
Still, despite this, the fact remains that the Thames is in a better condition now than it was when D. H. Lawrence went for a riverside walk in the village of Pangbourne, on a monstrous hot day in August 1919, and complained afterwards in a letter to a friend about the repulsive smell of the water. So cheer up David Brock!
See: The Letters of D. H. Lawrence, Volume 3, October 1916 - June 1921, ed. James T. Boulton and Andrew Robertson, (Cambridge University Press, 1984).
