Skip to content
logo
MENUMENU
  • logo
  • About us
        • About us
        • Contact Us
        • Jobs & Volunteer Positions
        • Our Funders
        • Equality, diversity and inclusion
        • Trustees
  • What we do
        • What we do
        • Improving Rivers
          • Backwater restoration in the Maidenhead to Teddington catchment
          • Bathing waters – Reclaim Our Rivers
          • Cator Park, London Borough of Bromley
          • Catchment Partnerships
          • Chinbrook Meadows Wetlands
          • Community Action for the Cut
          • Community Modelling
          • Dollis Brook toe board removal – A river restoration project
          • Enforcement Undertakings
          • Marsh Dykes & Thamesmead Catchment Improvement Project
          • Goresbrook Living Landscapes – Uncovering Parsloes Park’s Buried Brook
          • 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
          • Roding Weir Removal Project
          • South Essex Catchment Partnership
          • Thamesmead – Gallions Lake and Butts Canal Restoration
          • The River Ravensbourne and Glassmill Pond
          • Trees for rivers: a new woodland for London
        • Connecting Communities
          • Beckenham Place Park River Ravensbourne Volunteering Programme
          • Become a Citizen Scientist
          • Building Resilience in Communities (BRIC)
          • Chestnuts Field
          • EMPOWER Rivers
          • Harrow Partnership
          • Hounslow SuDS project
          • Plastics Action: connecting local groups and upscaling river clean-up work
          • Plasticblitz
          • Plastic Free Mersey – Plastics litter has no place in the natural environment
          • Plastic Pollution in the Tidal Thames
          • Action for Silk Stream
          • Thames Connections
          • Thames River Watch
          • The Roding Rises
        • Education and Training
          • Leading Action for Healthy Rivers: Thames21’s flagship training course
          • Outdoor Learning at the Welsh Harp Environmental Education Centre
          • Citizen Science
  • What you can do
        • What you can do
        • What's on
        • Corporate partnerships
        • Corporate Team Days
        • Protect Rivers
          • Get Trained
            • Learn how to Lead a Waterway Event
          • Become a Citizen Scientist
          • Form a River Action Group
        • Join A Campaign
          • Past Campaigns
            • London Rivers Week 2023
            • Taking action against plastic in wet wipes to protect our rivers
            • In The Drink: tackling plastic cups
            • The Great River Rescue
        • Support Us
  • What's on
  • News & media
        • News & media
        • Latest news
        • Blog
        • In the Media
        • Sign up to our e-newsletter
        • Media enquiries
        • Publications
  • London Rivers Week 2025
  • Five Year Plan
  • Donate now

Plastic Free Mersey

Plastic Free Mersey enters its fourth year of citizen science and engagement

Our Plastic Free Mersey delivery partner Mersey Rivers Trust held a litter pick community event on Tuesday 26th of March. Thames21 and the Mersey Rivers…

Published 16th April 202416th April 2024 Published in Blog, Thames 21

Latest News

  • 21 ways Thames21 is fighting pollution in the Thames
    Many column inches have been devoted to the sewage pollution challenge in the River Thames in recent times. The river faces other threats, such as toxic road runoff pollution and...

    • Events Diary

    Upcoming Events

    • There are no upcoming events.

    Follow Us

    Follow us on Facebook
    Follow us on Twitter
    Follow us on Instagram

    Donate

    Donate now

    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

    Other addresses

    Satellite Office: 

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

    Contact us
    Welsh Harp Environmental Education Centre:

    Birchen Grove, LONDON NW9 8RY

    Contact us


    Registered Charity number: 1103997

    • Home
    • Get Involved
    • Support Us
    • Privacy Policy