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A flooding issue that regularly plagued areas near Greenford Tube station in London has been resolved, thanks not to costly engineering but rather to a natural intervention by beavers. Previously, residents frequently navigated floodwaters on their way to work, with the station’s ticket hall often submerged following heavy rains. The local council faced the prospect of expensive infrastructure projects to address the persistent problem.
However, the scenario changed dramatically when beavers were reintroduced to the area. Şeniz Mustafa, England’s first urban beaver officer who has observed the animals closely, remarked on their impressive impact: “Even in situations like on Monday, where there was really heavy rainfall, the area didn’t flood. When they put their minds to it, they really get things finished.” The beavers’ natural dam-building has effectively managed the water flow, eliminating the flooding that was once routine.
These animals returned to Paradise Fields, a former golf course in Ealing, in 2023—around 400 years after being wiped out in England. Conservation groups aimed to showcase how these “nature’s engineers” could enhance London’s resilience to climate challenges, leading to a licensed release of five beavers along the local stream as part of the Ealing Beaver Project. The beavers quickly constructed several dams, creating a new lake and even replacing an old volunteer-built dam with their own superior one. Remarkably, they also reproduced within their first year, ensuring the population’s growth.
The benefits extend beyond flood prevention. Mustafa highlighted the boost in biodiversity, noting the appearance of four new species, including sticklebacks, dragonflies, damselflies, and the migratory redpole bird. She explained, “The diversity is great. This month we’ve had at least 14 different species of butterfly. There are tadpoles, freshwater shrimp, toads, too. None of that would have happened without beavers.” Their presence has transformed the local environment, providing both ecological richness and a valuable connection to nature for nearby residents. The Ealing Beaver Project is a collaborative initiative involving local wildlife groups, charities, and Ealing Council. Following the beavers’ successful return, the Mayor of London emphasized the city’s commitment to rewilding and restoring lost species to combat climate and ecological crises
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