We love the #BigGardenBirdwatch. So much to see along the River Crane - much of it teeming with birds.

Take part in the RSPB's Big Garden Birdwatch ! 🐦✨ Pick one hour between 23rd –25th January, watch your patch, and record the highest number of each species you see at one time. You can find out more about taking part via the link below👇 https://www.rspb.org.uk/whats-happening/big-garden-birdwatch

“The best place to enjoy nature is close to home,” said Sir David Attenborough in his @BBC Wild London documentary. We couldn't agree more.🧵⬇️ View here: www.bbc.co.uk/iplayer/epis...

A great article but unfortunately shows some very grim figures regarding river pollution. 235 misconnections in Harrow. One of the highest in London!

Before and after our emergency working party this morning at The Scrape, Wood Farm, clearing an enormous number of trees that vandals had cut and dumped into the water - one of the best quality ponds in Harrow.

Volunteers from the TCV coppicing hazel at Bentley Priory today. As set out in the manangement plan, we coppiced a third of the hazel; another third will be coppiced next winter, and the last third the winter after that. The wood is not wasted: most will be used for fencing on other reserves.

Conservationists are working to protect London’s uniquely 'charming hairy snail' — and Thames21 is proud to be supporting this project with @citizenzoo.bsky.social, @zslofficial.bsky.social, and many other fantastic partners. Read more here: www.theguardian.com/environment/...

Harrow Litter pickers are hosting an event on the 23rd November with @thames21.bsky.social and @brentpollution.bsky.social at 10am to help to clear up the Edgeware Brook. Meet at Methuen Close Edgeware HA8, There will be litter picking and Water Testing. People with Waders very welcome!

🪇🎂🥳This year marks the 21st anniversary of Thames21 — two decades and one year of working with our volunteers, local communities, partners and funders to help protect the River Thames, its tributaries and surrounding ecosystems.⬇️

The contaminated waste piled high in a field near Kidlington is now washing into River Cherwell. In the last 48 hours, the water level has risen 4+ feet and is lapping against the illegal dump. We stand on the edge of an environmental disaster. We need urgent action from the Environment Agency.

We have installed two passive monitoring boxes on Yeading Brook, part of the River Crane Catchment. These boxes will monitor TDS and water temperature to help us understand what is going on in the stream over time. With thanks to @cvp-cranevalley.bsky.social @brentpollution.bsky.social

🗺️Today is #WorldRiversDay 🪻Our rivers aren’t just home to much-loved wildlife like dragonflies, frogs and birds; they are also essential for people - providing water for our homes, being used for recreation and providing water for industries.🪻 🧵⬇️

It's #WorldRiversDay today and my pledge to the River Darwen is that I will continue to fight for better control of stormwater pollution in British Rivers. What pledge will you make to your local river today?

Looking forward to sharing our punchy short film next Friday. @brentriverpark.bsky.social @riveractionuk.bsky.social @thames21.bsky.social

🦋Face painting, tai chi, crafts, games, and a nature walk. What more could anybody ask for? Join us for some FREE to celebrate the official opening of the recently revamped Chandos Park in N. London. 📅 Saturday 27th September 2025 🕰️10am-2pm 💻https://shorturl.at/htZ3R

Thames21 has welcomed the @londonassembly.bsky.social Environment Committee’s ‘Swimmable Rivers’ report, which has 12 recommendations for creating clean and healthy rivers in London.⬇️

Toxic Road run off pollution being ignored, MP's told www.theguardian.com/environment/...

📢 New podcast episode! We’re tackling sewage💩How does it end up in our rivers? Why might treated sewage pose an even bigger problem than the raw stuff? How do we map, monitor, and repair the broken system? Spotify: shorturl.at/A9h3D Apple: shorturl.at/ITfDf

What’s really in the water at Lake Windermere?

Before and after images of clearance at Bolton's Pande in Roxbourne Rough. It looks drastic but now there will be areas of open water when it refills. A female Emperor dragonfly was busy laying eggs in the gaps between the slats of the boardwalk so she has confidence that the pond will refill!

Yesterday volunteers began the work of clearing vegetation and mud from Bolton's Pande, a lovely rain fed pond at Roxbourne Rough that is now almost completely dry - but not so dry we did not get muddy! It was full of aquatic life this year but if we did not act it would be dry scrub in a few years.

Celebrating the Yeading Brook Community Event at Spider Park, Ruislip @hillingdoncouncil.bsky.social on Saturday 6th September 2025. Free entertainment and activities to enjoy. Hosted by Let's Go Outside and Learn. @habsandheritage.bsky.social @friendsrivcrane.bsky.social

If you live in #StAlbans #Amersham #Uxbridge or other parts of #Herts #Bucks & #London you may think the impact of #HeathrowExpansion is remote. But building a runway over 5 rivers will harm the connection for fish & otters between the #Thames & #Chilterns www.colnevalleypark.org.uk/catastrophic...

As the UN Global Plastics Treaty talks start today, we want to highlight interesting results from our collaborative 'Plasticblitz' initiative. 🧵⬇️

#virtualtour of the Crane Valley: Yeading Book West at Roxbourne Park, July 2025. @nationalparkcity.bsky.social @friendsrivcrane.bsky.social @habsandheritage.bsky.social @thamesriverstrust.bsky.social

Government publishes plan to address presence of chemicals from pet flea and tick treatments in UK waterways @GOVUK @theriverstrust.bsky.social www.gov.uk/government/n...

We received reports of sewage pollution in the Crane over the weekend and a further report of several dead fish in the river. Thames Water found a blocked sewer and dealt with it. The Environment Agency was also on site. See link below for the new on-line method of reporting water pollution.

Antibacterial ‘biocides’ contained in many household products are being washed into our waterways and could result in an increase in resistant superbugs inews.co.uk/news/environ... @tombawden.bsky.social @theipaper.com @theriverstrust.bsky.social @wclnews.bsky.social

🎙️The Water Commission’s final report is out and action must be taken now. Our rivers can't wait any longer for change. Read our full response to Cunliffe's report here: www.thames21.org.uk/2025/07/tham...

While we very much welcome these ambitions, we now need to see the government act swiftly to bring about the change we so desperately need to see.🧵⬇️

Environment secretary promises ‘revolution’ to cut water pollution www.channel4.com/news/environ...

Clean rivers campaigner, Professor Becky Malby, tells @ayshahtull.bsky.social she thinks the government's plans to reform the water sector will "make very little difference" as they are failing to consider public ownership of water companies. Read and watch here:

Bolton's Pande in Roxbourne Rough is probably the best conservation site pond in Harrow, however it has become very silted up with a very small amount of free water. This wonderful pond needs some help so it can stay being a great habitat for wildlife. Come and help on Sunday Aug 10th, 10am-12 noon

You can now report environmental problems (e.g.pollution) to the Environment Agency online: www.gov.uk/report-envir...

Our rivers really struggle in warm weather, with higher water temperatures and increased pollution. Has anyone noticed rivers in Harrow getting worse in the hot dry weather? www.bbc.co.uk/news/article...

Happy Wednesday! 😎 🚮Throughout #PlasticFreeJuly, we’ll be sharing some ideas to help you get creative and reduce your plastic consumption. ♻️One of the easiest and most impactful ways to reduce plastic waste, or any kind of waste, is to reuse what you already have at home.

Please check out the link below to find out more about citizen science: www.thames21.org.uk/become-a-cit...

This is a really interesting presentation about road run off. What gives most pause for thought is how only using nature based solutions eg. settling ponds in nature reserves, just gives wildlife extremely toxic water to drink and live in. Thanks @stormwater-jo.bsky.social youtu.be/oqfDuRD3ChU?...

Pesticides from agriculture & pet flea treatments can kill invertebrates in rivers leaving fish & birds with little to eat. They kill off the tiny creatures who eat algae - algal blooms become worse, killing even more river creatures. 1/3 www.theguardian.com/environment/...

Join us on 29 June to celebrate 50 years of the Brent River Park. www.brentriverpark.org/our-brent-ri...

Last week I went on an organised walk along the River Pinn for London Rivers week, It followed the Celendine walk route and started at Pinner underground station. Many thanks to Lucy Shulker of ColneCAN groundworks who helped organise the Walk.

🌅Happy #WorldEnvironmentDay! We want to put a spotlight on rivers today. Our rivers aren’t just home to much-loved wildlife like dragonflies, frogs and birds; they are also essential for people - providing water for our homes, being used for recreation and providing water for industries.⬇️🧵

📢Breaking! The water sector in England and Wales is failing and needs stronger regulation to better protect billpayers and the environment, according to the interim findings of a landmark review. Read story here: www.bbc.co.uk/news/article...

📢LAST CHANCE TO BOOK TICKETS! Join the organisers of #londonriversweek2025 for an exciting panel debate on river restoration! What's new in this world? Find out more. 📅 Tues 3rd June. 6pm-8pm Location: ZSL's London Zoo - Huxley Theatre. Register here: www.eventbrite.co.uk/e/london-riv....

Excellent meeting of the Colne Catchment Water Quality Working Group today @Bruneluni Thanks to everyone who contributed @ColneFisheries @thameswater @AffinityWater @GwkSouth @envagency.bsky.social @cranfielduni.bsky.social @ThreeRiversDC @theriverstrust.bsky.social @groundworkeast.bsky.social

Interesting article about all the chemicals that get into rivers. Very dissapointing to see that "Environment agency staff have been told to ignore low impact pollution events because they don't have the resources" www.theguardian.com/environment/...

Thames Water fined £123 million for breaking sewage rules www.channel4.com/news/thames-...

Join @gwksouth.bsky.social at 9am on Wed 4th June for a guided walk along the River Pinn from #Pinner to the Grand Union Canal to help protect & prioritise actions for improvements along the famous Celandine Walk route #LondonRiversWeek2025 @thames21.bsky.social www.thames21.org.uk/event/london...

Learn how to assess river form, features & the dynamic processes that support habitats for aquatic wildlife. For #London wide #volunteers and river enthusiasts interested in gathering data and evidence about physical habitat changes in their local rivers www.eventbrite.co.uk/e/london-riv...