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Totally Thames: River Litter Detectives – Sands End

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

Totally Thames: River Litter Detectives – Poplar Rowing Club

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

River Litter Detectives – Bishop’s Park

BOOK YOUR PLACE NOW Come along and join Thames21 as a river citizen scientist on the River Thames. We will collect the litter we find…

River Litter Detectives – Bishop’s Park

BOOK YOUR PLACE NOW Come along and join Thames21 as a river citizen scientist on the River Thames. We will be collecting the litter we…

London Rivers Week 2025: River Litter Detectives – Poplar Rowing Club

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

Sands End River Clean Up & Litter Detectives

Come along and join Thames21 as a river citizen scientist on the River Thames. We will be collecting the litter we find and categorising it…

PlasticsFuture 2023 Conference – Plastic Free Mersey Post-Event Recap

The Plastic Free Mersey team represented environmental charity Thames21 at the University of Portsmouth PlasticsFuture 2023 conference at the end of June, hosted by the…

Published 5th July 20237th July 2023 Published in Blog, Thames 21

Thames21 raises alarm about river sewage crisis

Thames21 helped raise the alarm about the UK’s river sewage pollution crisis last week – by contributing to a hard-hitting BBC documentary. Thames21 opened last…

Published 19th April 202119th April 2021 Published in Latest news, Thames 21

When jet lag helped save a cygnet

By Helen Stoddard – Thames21 Volunteer Helen Stoddard is part of Thames21’s citizen science army – a Thames River Watch volunteer. She recounts the time…

Published 25th August 202025th August 2020 Published in Blog

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

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  • 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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