London's River Thames - for many years too polluted for fish to survive in it - is rapidly becoming an angler's dream.
London's River Thames - for many years too polluted for fish to survive in it - is rapidly becoming an angler's dream. Salmon, trout, flounder are now being found again. It's considered one of the conservation miracles of the world because just two decades ago, the only fish able to live in the Thames were eels.
SYNOPSIS: London's famous river is one of the world's most heavily used waterways. Since the industrial revolution, factories have poured chemical, detergent and other wastes into the 68-mile (110 kilometre) stretch from Teddington Weir, Through Central before 1825, fishermen made a good living on the river, but by the 1850's the stench from the Thames was so foul that even parliamentary debates at nearby Westminster were occasionally halted. A century later the oxygen-count in the water was down to almost zero.
But massive investment in new sewage works and stringent anti-pollution laws have transformed the Thames and once again fish are being caught.
John Steel a biologist with the Thames Water Authority claims it's the cleanest industrial river in the world.
The Thames Water Authority have certainly proved that pollution can be combated effectively in the largest of industrial cities, but it does coat a great deal of money and a commitment by government and industry to a cleaner environment.