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River Thames

Obituary of Francis Carnwath: First Chairman of Thames21

 “From time to time you can see there are things that can be made to happen” Francis Carnwath CBE Francis Carnwath CBE applied skills, insight and…

Published 28th July 202028th July 2020 Published in Latest news

Hollywood star Zac Efron joins forces with Thames21 to highlight London’s plastic waste crisis

American actor and singer Zac Efron highlights the huge issue of London’s plastic waste problem as part of a new series on Netflix airing in…

Published 8th July 20206th February 2023 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

Thames21 receives vital COVID-19 funding from the Garfield Weston Foundation

Thames21 has received a grant for core funding from the Garfield Weston Foundation to enable it to continue its work during and after the COVID-19…

Published 10th June 2020 Published in Latest news

Lockdown River Resources

We know how much you love your rivers, and how much you’re missing them during lockdown. We’ve been regularly sharing inspiring river-related resources on Facebook, Twitter…

Published 3rd June 202019th January 2021 Published in Blog

Coronavirus update: Thames21 statement

  Thames21 statement 26 March 2020   The safety, health and wellbeing of the public, our volunteers and our staff are of paramount importance to…

Published 26th March 202026th March 2020 Published in Latest news, Thames 21

More than 27 000 single-use plastic bottles removed from the Thames in past 12 months

Environmental groups call for action following Thames21’s Big Bottle Count Date of release: 28 October 2019 London’s largest mass census of river plastic, the annual…

Published 28th October 201918th February 2020 Published in Latest news, Media Releases

23 thousand wet wipes discovered on stretch of Thames river bank

Other plastic waste found included menstrual products and microplastic glitter A record 23,000 wet wipes were counted and removed from one stretch of the Thames…

Published 1st April 2019 Published in Latest news, Media Releases

Single-use items to blame for majority of Thames pollution

More than 60% of litter would disappear from the Thames Basin if we moved away from single-use. That’s the claim from Thames21 and the Marine…

Published 22nd February 201922nd February 2019 Published in Latest news, Thames 21

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Latest News

  • Pangbourne Citizen Science Water Quality Monitoring Programme Launches
    This month marked the start of Thames21’s Reclaim Our Rivers citizen science water quality monitoring programme on the River Thames between South Stoke and Pangbourne. The programme will help build...
  • Events Diary

    Upcoming Events

    Jun 18
    12:30 pm - 2:30 pm

    River Litter Detectives – Queenhithe

    Queenhithe, City of London
    Jun 26
    10:00 am - 12:00 pm

    🌿 Mindful Moments by the River: A Wellness Walk on Thames Foreshore

    Broomhouse Dock
    View Calendar

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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

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    Other addresses

    Satellite Office: 

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

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    Welsh Harp Environmental Education Centre:

    Birchen Grove, LONDON NW9 8RY

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    Registered Charity number: 1103997

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