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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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river restoration

Why wood is good for rivers

Carolina Pinto is our Brent Rivers and Communities Officer, working with the community in north west London to help bring the river back to life….

Published 2nd November 20204th October 2021 Published in Blog, Thames 21

Thames21 volunteering activities update: 7 September

Thames21 StatementSeptember 2020 The safety, health and wellbeing of the public, our volunteers and our staff are of paramount importance to us. Our events and…

Published 17th September 202017th September 2020 Published in Latest news

Precious Thames saltmarsh bearing brunt of capital’s plastic tide, latest pollution data finds

Thames21 calls for tougher action on five key plastic items to tackle two-thirds of entire Thames plastic pollution An analysis of citizen science surveys conducted…

Published 30th June 20202nd July 2020 Published in Media Releases

Heritage Emergency Fund grant to help us reconnect Londoners with rivers

Thames21 has received a grant from the Heritage Lottery Fund to help it to continue its work throughout and after London’s lockdown. The Heritage Emergency…

Published 18th June 2020 Published in Latest news

Call to rewild 100km of London’s rivers to help the city adapt to climate change

Press Release LONDON RIVERS WEEK 2019: Saturday 25 May – Sunday 2 June  London, UK – 15 May 2019: London is the most vulnerable city in western…

Published 15th May 201915th May 2019 Published in Latest news, Media Releases

Thames21 rewilds one of UK’s most polluted waterways

Thames21 staff and volunteers will install nearly 300 square metres of floating reedbed into London’s second river, the Lea, this autumn. Reedbeds will be created…

Published 5th September 20185th September 2018 Published in Latest news

International Day of Women and Girls in Science – a day in the life

By Rosie Nelson, Community Modelling Officer at Thames21   I’m an environmental scientist with the rather elusive job title of ‘Community Modelling Officer’, where no…

Published 11th February 201811th February 2019 Published in Blog

Residents urged to help shape improvement plan for Roundmoor Ditch

Date of release: July 4, 2017 Thames21 to hold consultations evenings about Taplow/Dorney Common river on July 13 and 17 A consultation is to be…

Published 5th July 20175th July 2017 Published in Media Releases

Londoners urged to explore the capital’s forgotten rivers during London Rivers Week

Escape city stress by exploring ‘66 Shards-worth’ of newly rewilded rivers Monday 26 JUNE – Sunday 2 JULY London, UK – 13 June 2017: Londoners…

Published 14th June 201716th October 2017 Published in Media Releases

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Latest News

  • Thames21 reacts to Defra’s River Thames bathing water site news
    The Department for Environment, Food and Rural Affairs (Defra) has announced 13 new bathing water sites across England, including stretches of the River Thames at Ham and Kingston, and at Pangbourne Meadow in Berkshire. Congratulations to community group Teddington Bluetits, Simon Griffiths of...

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Thames21
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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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The Lock Office,
Bow Locks,
Navigation Road (off Gillender Street),
LONDON E3 3JY

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Registered Charity number: 1103997

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