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        • Empower communities to look after their local rivers:

          We mobilise thousands of volunteers every year, working along the riverbank to transform neglected rivers into areas that everyone can use and enjoy.

        • Restore the capital’s network of rivers through the power of nature

          We work to clean and green the capital’s 400-mile network of rivers through innovative solutions to boost biodiversity and restore nature.

        • Build a climate resilient London

          We help to build more engaged communities and healthier rivers better able to adapt to the impacts of climate change, now and into the future.

        • Empower communities to look after their local rivers
          We mobilise thousands of volunteers every year, working along the riverbank to transform neglected rivers into areas that everyone can use and enjoy.

        • Restore the capital’s network of rivers through the power of nature
          We work to clean and green the capital’s 400-mile network of rivers through innovative solutions to boost biodiversity and restore nature.

        • Build a climate resilient London
          We help to build more engaged communities and healthier rivers better able to adapt to the impacts of climate change, now and into the future.

        • Improving Rivers
          • Backwater restoration in the Maidenhead to Teddington catchment
          • Bathing waters – Reclaim Our Rivers
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          • Understanding our rivers through connecting communities to waterways – Catchment Partnerships
          • Chinbrook Meadows Wetlands
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          • Marsh Dykes & Thamesmead Catchment Improvement Project
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          • Queensmead Recreation Ground, London Borough of Bromley
          • Rewilding the Rom
          • River Beck Restoration
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          • Road run-off
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          • The River Ravensbourne and Glassmill Pond
        • Connecting Communities
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plastic

Record number of wet wipes found on Thames foreshore

More than 5,000 wet wipes have been found in one single area of the Thames foreshore near the iconic Hammersmith Bridge. This is the highest…

Published 24th April 20186th February 2023 Published in Latest news

Thames21 welcomes potential ban on cotton buds, plastic straws and other disposables

Plastic straws, cotton buds and other disposables could be banned from sale in England under plans set out by Theresa May this week. A consultation…

Published 20th April 201820th April 2018 Published in Latest news

Thames21 welcomes Deposit Return System as it ‘will significantly help rivers’

Thames21 is delighted that Michael Gove, the Secretary of State for the Environment, has announced today that the Government plans to implement a deposit return…

Published 28th March 201829th March 2018 Published in Latest news

Thames21 helps measure and manage the impact of Boat Race on plastic litter

On Sunday March 25  Thames21 helped to measure and manage the impact of plastic litter in the Putney area of the Thames, in the wake…

Published 26th March 2018 Published in Latest news

Londoners rally to measure plastic’s hidden impact on the Thames

Thousands of wet wipes flushed down toilets are shedding plastic into the river and changing the shape of the riverbed    Date of release: Monday…

Published 26th February 201819th April 2018 Published in Media Releases

Plastic-free parenting hacks: wet wipes

By Karline McCawley – Education Officer at Thames21   Baby poo. It’s certainly not the most appealing subject, but did you know it’s connected to…

Published 31st January 201813th June 2018 Published in Blog

Thames21 Badged Group reports huge amounts of plastic litter in Thames Estuary

Thames21’s latest Badged Group has cleared unprecedented amounts of plastic from the north side of the Thames Estuary. Last weekend the newly-accredited group, based in…

Published 19th January 201820th January 2018 Published in Latest news

4,500 wet wipes found in one patch of Thames foreshore

Shock findings reveal that the Thames has the highest concentration of wet wipes ever recorded in Britain – with 277 found in just one square metre. Over 4,500…

Published 10th April 20176th February 2023 Published in Latest news

Wet wipes – the ongoing plastic battle

Our Thames River Watch project has started measuring the impact of wet wipes on the Thames for the first time – and found the highest concentration…

Published 7th April 201716th October 2017 Published in Blog

Thames21 data features on London TV as London Assembly investigates impact of plastic bottles

This Wednesday was an even busier one than usual for Thames21. We were interviewed by both London Live and BBC London about the huge problem…

Published 24th February 20178th June 2018 Published in Latest news

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  • London Rivers Week 2026 Photography Competition
    To mark London Rivers Week 2026, Thames21 is launching a photography competition celebrating the vital role that rivers play in the life of our city. The competition aims to highlight...
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    Thames21
    THAMES21

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    Main Office location (& deliveries)

    The City of London,
    Guildhall,
    Aldermanbury Street,
    LONDON EC2V 7HH

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    The City of London,
    Guildhall,
    PO Box 270,
    LONDON EC2P 2EJ

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    Bow Locks,
    Navigation Road (off Gillender Street),
    LONDON E3 3JY

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    Registered Charity number: 1103997

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