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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
          • Cator Park, London Borough of Bromley
          • Understanding our rivers through connecting communities to waterways – Catchment Partnerships
          • Chinbrook Meadows Wetlands
          • Community Action for the Cut
          • Greenwich Natural Flood Management (NFM) Project
          • Marsh Dykes & Thamesmead Catchment Improvement Project
          • Oxford Rivers Project
          • Quaggy Habitats – Capel Manor Project
          • Queensmead Recreation Ground, London Borough of Bromley
          • Rewilding the Rom
          • River Beck Restoration
          • River Biodiversity Net Gain Units
          • Road run-off
          • South Essex Catchment Partnership
          • The River Ravensbourne and Glassmill Pond
        • Connecting Communities
          • Beckenham Place Park East – River Ravensbourne
          • Become a Citizen Scientist
          • Chestnuts Field
          • EMPOWER Rivers
          • Plasticblitz
          • Action for Silk Stream
          • Thames Connections
          • Thames River Watch
          • The Roding Rises
        • Education and Training
          • Citizen Science
            • Leading Action for Healthy Rivers: Thames21’s flagship training course
            • Welsh Harp Environmental Education Centre
        • What we do
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Thames

Thames21 embraces Great British Spring Clean with 11 events on rivers across London

Date of release: Friday February 24 Londoners across the capital will don wellies and waders to spring-clean London’s rivers with Thames21 as part of the…

Published 24th February 20172nd October 2017 Published in Media Releases

Thames21 welcomes London Assembly’s environment committee investigation into bottled water’s impact on environment

Tomorrow (Wednesday 22 February), the London Assembly’s environment committee meets to begin its investigation into the environmental impact of bottled water in the capital.  The…

Published 21st February 20172nd October 2017 Published in Media Releases

Plastic water bottles one of worst Thames polluters, says Thames River Watch report

As our report launched this week, Sky News’ Plastic Tide documentary and anti-waste campaigner Hugh Fearnley-Whittingstall echoed our calls  for a deposit return system Our…

Published 27th January 201713th January 2022 Published in Latest news, Waterways and Wellbeing
Thames21 honours its volunteers with special celebration and talk from author Tom Bolton

Thames21 honours its volunteers with special celebration and talk from author Tom Bolton

  Thames21 celebrated the ‘exponential impact’ of our volunteers last night at Wapping riverside pub the Prospect of Whitby. Entitled ‘Lost and Found in our…

Published 2nd December 20162nd December 2016 Published in Latest news
Newham MP supports our vision for a new London River Centre

Newham MP supports our vision for a new London River Centre

Newham MP Stephen Timms joined our clean-up on the Silvertown foreshore last week and expressed his warm support for our proposed new London River Centre…

Published 22nd November 20168th June 2018 Published in Latest news, Waterways and Wellbeing
Fight Thames Plastic Scourge by Joining Free Citizen Science Training by Thames21

Fight Thames Plastic Scourge by Joining Free Citizen Science Training by Thames21

Londoners invited to protect their patch of river through new citizen science hubs September 2016, London A new opportunity for Londoners to help the fight-back…

Published 23rd September 2016 Published in Media Releases

Is plastic pollution our generation’s legacy?

By Chris Coode, Deputy Chief Executive & Programmes Manager Taking in the city’s skyline while the Thames laps around my ankles is one of the…

Published 3rd May 201629th September 2017 Published in Blog

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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

    Address

    Main Office location (& deliveries)

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

    Postal Address

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

    Contact us

    Satellite Office

    Satellite Office: 

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

    Contact us


    Registered Charity number: 1103997

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