River Rib Re-Naturalisation: Herts & Middlesex Wildlife Trust

£400,000 goal
Herts and Middlesex Wildlife Trust logo

A rare and special chalk stream, the River Rib has been heavily modified through a growing Hertfordshire town, with sections confined to an open concrete culvert and fragmented by a 1.8-metre weir installed for historic flood defence. Building on river restoration work delivered by HMWT in 2022, this project will remove the outsized weir, fully restore fish passage and re-naturalise the chalk stream channel by replacing hard-engineered banks with a more natural river form.

Alongside ecological improvements, the scheme will create a more accessible and wildlife-friendly blue-green space for local people. With a population of around 8,000 residents and strong community interest in the river, the project will build on existing citizen science water-quality monitoring, volunteer-led River Watch activities and local education outreach programmes. By reconnecting people with their local river, it will help create a healthier and more resilient river corridor for both wildlife and the community.

By reconnecting people with their local river, this project will help create a healthier and more resilient river corridor for both wildlife and the community.

Rivers 2040

A Rivers 2040 project is a place-based freshwater restoration initiative that contributes to the long-term recovery of river catchments through nature-based solutions. Projects can range from restoring floodplains and wetlands, improving water quality, reconnecting rivers to their natural processes, creating habitat for wildlife, reducing pollution, increasing access to nature, or helping communities become more resilient to flooding and drought.  

Rivers 2040 aims to bring together multiple environmental, social and economic benefits at a catchment scale, demonstrating how investment in nature can support healthier rivers, thriving wildlife, resilient communities and sustainable economic growth. 

Land ownership

Third-party owned: land owned by private individuals, businesses, public bodies, charities, or other organisations.  

Delivery approach

Direct delivery: the project delivers change through on-the-ground activity within the project area, implementing interventions that restore, enhance or manage habitats and natural processes. 

Project readiness

Investment ready: the project proposition is well defined, with funding requirements, delivery plans, projected outcomes and governance arrangements in progress.     

Partners and funding

Delivery of this project may be supported by a range of partners and funding mechanisms. Funding may already have been secured from multiple sources and at different stages, contributing towards the overall project value and delivery costs. Contact us to explore current funding requirements and how the project could be developed and delivered with your organisation. 

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There are 46 individual Wildlife Trusts, each of which is a place-based independent charity. Supporters of The Wildlife Trusts typically work at either a local level with one or more Wildlife Trusts, or at national level, facilitated by the Royal Society of Wildlife Trusts (our central office).
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Swans in Channel
Nature slows the flow

Natural flood management

Natural solutions such as tree planting, reconnecting floodplains and wetland creation, slow the flow of water through catchments, helping to reduce flood risk downstream to homes and businesses. These measures support wildlife, store carbon and improve water quality too.
An expanse of dry, cracked earth at a reedbed, the result of a drought
Nature stores water

Natural drought protection

Restoring habitats such as wetlands and peatlands helps store water in the landscape and builds resilience to drought through maintaining water supplies for both people and wildlife. Re-wetted areas provide a refuge to wildlife and store vast amounts of carbon too.
Beaver Eating - David Parkyn
Bringing back nature’s engineers

Keystone species

Reintroducing keystone species brings back natural processes that improve biodiversity and climate change resilience. Keystone species like beavers and large herbivores are nature’s engineers, shaping their habitats in ways that enhance resilience and help other wildlife thrive.
A group of adults and children in a community garden opposite a block of flats. The sign reads 'Forest Garden' and there are bushes and sunflowers, amongst other plants
Nature supports neighbourhoods

Community benefits

Restoring our rivers and surrounding areas helps people access nature-rich spaces, supporting their mental and physical wellbeing, and helping prevent illnesses. It improves air and water quality, and helps communities cope with flooding, drought and extreme heat.
This Rivers 2040 project is hosted on the Royal Society of Wildlife Trusts' website on behalf of Wildlife Trusts. Project goals, fundraising totals and other information reflect the latest information available at the point of publication and may be subject to change.