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outdoors

Totally Thames: River Litter Detectives – Limekiln Dock

Book your FREE place here! Come along and join Thames21 as a river citizen scientist on the River Thames. We will collect the litter we…

London Rivers Week 2025: River Litter Detectives – Limekiln Dock

Book your FREE place here! Come along and join Thames21 as a river citizen scientist on the River Thames. We will be collecting the litter…

Latest News

  • Thames21’s response to London Assembly Committee’s ‘Swimmable Rivers’ report
    Thames21 welcomes this report, which has 12 recommendations for creating clean and healthy rivers in London. These proposals strongly reflect our long-standing calls for action on water quality, biodiversity, and public...

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

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    Registered Charity number: 1103997

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