Biodiversity and the Tidal Thames

The Tidal Thames is a recovering ecosystem of great ecological importance and the Estuary supports a diverse flora; rich populations of invertebrates; 121 species of fish and many internationally important aquatic birds.

In 1957 however the River Thames was declared biologically dead with water quality so poor that it could not sustain life. Since then the river has undergone a massive transformation, water quality has improved, and wildlife has returned. Nevertheless long stretches of concrete flood defense walls on the Thames are still preventing plant growth and the invertebrates that thrive in healthy riverbank habitats.

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Photos from the Lambeth Floating Marsh launch

On the evening of 15th September 2015, Lambeth Floating Marsh was opened by Professor Geoff Petts, Vice Chancellor of University of Westminster. Loraine Leeson and Nithin Rai described the project, while Chris Coode, Deputy Chief Executive of the environmental organization Thames2, provided an overview of the challenges and opportunities for wildlife along the urban reaches of the Thames.

Science and Technology dean Professor Jane Lewis drew on her specialist knowledge of micro organism behavior to consider the benefits of new habitat, and concluded the event by reflecting on the value of the arts and sciences working together to bring these issues to public attention.

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Professor Geoff Petts, Vice Chancellor of University of Westminster opened the event and spoke of his specialist interest in river ecology.


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New Active Energy turbine to be launched at Three Mills

3.30 – 5pm Saturday 13th May 2017
at National Mills Weekend

For this new phase of the Active Energy project a floating water wheel is being placed in the River Lee close to an historic tidal mill. The outflow from the mill pool will turn the wheel, which will then drive an aerator to oxygenate the water and counteract the effects of pollution on the river’s fish and wildlife.

The process has been led by artist Loraine Leeson working with the Geezers, a seniors’ group based at AgeUK, and supported by the Lea Valley team of the Hydrocitizenship research initiative. Engineer Toby Borland designed and implemented the new wheel, while Thames 21’s Love the Lea has provided facilities, advice and further support. The wheel’s low-cost open source design will soon be viewable on the Active Energy web site so that others can take up the idea.

House Mill, Three Mill Lane, Bromley-by-Bow, London E3 3DU
info@housemill.org.uk 020 8980 4626
Nearest tube: Bromley by Bow

Active Energy: Three Mills – open workshop for National Mills Weekend

11am-4pm Saturday 14th May 2016
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To celebrate National Mills Weekend The Geezers will be working with artist Loraine Leeson and engineer Toby Borland in front of House Mill at the Three Mills heritage site to construct a stream wheel for later installation in the Lower Lea. The wheel will be activated by the outflow of water from the mill and will power an aerator to help oxygenate the water and counteract the effects of pollution on the river’s fish and wildlife.

This current phase of the project is taking place as part of the Hydrocitizenship initiative.