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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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Thames21

Thames21 calls on community to help bring Thamesmead canals to life in flagship project

Date of release: April 17 2017 Thames21, London’s leading environmental charity for the waterways, is calling on volunteers to get involved in a series of…

Published 18th April 20172nd October 2017 Published in Media Releases

Thames21 supports Government’s National Litter Strategy for England

Date of release: April 10, 2017 In response to the Government’s new Litter Strategy for England, published today, Debbie Leach, chief executive of Thames21, said:…

Published 10th April 20172nd October 2017 Published in Media Releases

Teachers and Educators – join us round the campfire at our Welsh Harp Centre open evening

Teachers and Educators – join us by the campfire! Thames21 is hosting an open afternoon at the Welsh Harp Environmental Education Centre in Brent, for teachers…

Published 29th March 201729th September 2017 Published in Latest news

Largest citizen science Thames event of the year will measure hidden plastic menace

Large mounds are changing the shape of the Thames foreshore. On April 1, the day before the Boat Race, the public will help measure how much…

Published 23rd March 20172nd October 2017 Published in Media Releases

FatFace shoppers raise £348 for Thames21 via Thanks for Giving campaign

Shoppers at FatFace raised £348 for Thames21 during their Thanks for Giving campaign last November, which was the company’s answer to the Black Friday discount…

Published 22nd March 20178th June 2018 Published in Latest news

Record volunteer turnout on the Ravensbourne

The largest number of volunteers Thames21 has ever had for a single day clean-up on any stretch of the Ravensbourne turned out at Manor Park,…

Published 21st March 201729th September 2017 Published in Latest news

New art installation to shine a light on the health of River Thames for London environment charity

Date of release: March 16 2017 An incredible art installation which uses a dazzling display of lights to reflect the health of the River Thames…

Published 16th March 20172nd October 2017 Published in Media Releases

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

Residents to be consulted on future of the River Rom and Grenfell Park

Date of release: February 15th 2017 Residents are being given the chance to help shape the future of wildlife in Grenfell Park and on the…

Published 15th February 20172nd October 2017 Published in Media Releases

On Philpot’s Farm you’ll find some riverfly monitoring

Thames21’s Rivers Pinn and Fray project officer Paul Busby takes us through the first Habitat Management event at Philpot’s Farm Meadow, Yiewsley, Middlesex. A band…

Published 14th February 201729th 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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