21 years of impact — Let’s celebrate together!
This year marks the 21st anniversary of Thames21 — two decades and one year of working with our volunteers, local communities, partners and funders to…
Media Releases
Restoring urban waterways: Floating treatment wetlands help to enhance water quality in south-east London
Here, Thames21’s Lucy Hutchison highlights the results of Thames21’s collaborative SYMBIOREM Gallions Lake project. Introduction to the project In February 2024, Thames21, along local volunteers,…
Major funding boost for River Roding revitalisation project
Environmental charity Thames21 has secured funding of more than £1.4 million from The National Lottery Heritage Fund to launch a collaborative project called ‘The Roding…
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…
Five million wet wipes dug out in clean-up of London’s ‘wet wipe island’
Port of London Authority, in collaboration with Thames Water and environmental charity Thames21, has completed a three-week project and removed about 5 million wet wipes…
Thames21’s social media giveaway
🎉 Thames21’s giveaway 🎉 🍂Big coat season is heading our way and our friends at Finisterre have offered Thames21’s followers and volunteers the opportunity to…
First mass wet wipe removal from a UK river launched to clean London’s ‘Wet Wipe Island’
Work has started on the mass excavation of London’s Wet Wipe Island in a first-of-its-kind river clean-up project to further improve the quality of the…
Plasticblitz highlights the scale of plastic pollution in UK rivers during UN Global Plastics Treaty negotiations
Volunteers have spent 133 hours clearing litter and collecting data from rivers in England and Scotland during Plasticblitz 2025, which is an initiative led by…
Thames21 calls on government to stop pharmacies selling plastic-based wet wipes online
Plastic containing wet wipes should not be sold online at pharmacies to help protect the River Thames, rivers across the UK, and the world’s oceans,…
Thames21 and partners launch five-year initiative to improve the River Lea catchment
Environmental charity Thames21 – catchment partnership host for the London Lea – is working alongside its partners to deliver a comprehensive five-year plan to restore…