River Thames Declared One of the Cleanest Rivers
- Melissa Santañez
- 4 days ago
- 1 min read
It’s a comeback story for the ages: once declared "biologically dead" in the 1950s, London’s River Thames has now risen from the ashes — or rather, the pollution — to claim a spot as one of the world’s cleanest rivers in 2025.
From "Dead" to Thriving: River Thames Now Among the Cleanest Rivers in the World
Environmentalists, scientists, and Londoners alike are celebrating as the Thames shows vibrant signs of life. Seals, otters, porpoises, and even the critically endangered European eel have returned, breathing fresh hope into the heart of London’s ecosystem.
Thanks to decades of determined restoration efforts, improved wastewater treatment, and major cleanup campaigns, the Thames is no longer a cautionary tale of urban neglect. Instead, it’s a living blueprint for environmental renewal.
The UK government and local organizations have recently launched a $5 million initiative to further enhance the river’s estuary — restoring vital habitats like marshes and seagrass meadows — ensuring that the Thames not only survives but thrives for generations to come.
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