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This Dead River Now Has Sharks 🦈 #Shorts #LessonToday
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Three takeaways
- In 1957 scientists at London's Natural History Museum reported that stretches of the tidal River Thames were biologically dead, after years of sewage and industrial pollution.
- Since then, big improvements in sewage treatment have cleaned up the water, and life came back.
- ZSL (the Zoological Society of London) says the tidal Thames is now home to more than a hundred fish species, plus seahorses, eels, seals and even sharks such as tope, starry…
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