The Environment Agency is urging river users to follow advice to stop the spread of the invasive signal crayfish after a population was found in the River Esk.

A new multi-platform invasive non-native species (INNS) mapping tool has launched in England, Wales and Scotland - the INNS Mapper app and website, which will also be known as Mapiwr INNS in Wales with Welsh language options, will enable people to report sightings, surveys and the management of INNS.

The results of a 20-year research project published in the Plant Atlas 2020 by the Botanical Society of Britain and Ireland has revealed the devastating loss of British and Irish flora.

The Environment Agency has just finished removing more than 200 tonnes of floating pennywort from the River Wey, near Byfleet Mill weir. Upstream of the weir, the entire water surface had become hidden beneath a six-foot deep, 70-metre-long carpet of the invasive weed.

The Environment Agency and Northumberland Rivers Trust have relocated hundreds of native crayfish from the abundant populations found in the River Wansbeck in Morpeth, one of the last remaining strongholds for the white-clawed crayfish, to six refuge sites in North Northumberland.

In a world-first, South American weevils have been released in England to fight against the invasive non-native species floating pennywort, as part of Invasive Species Week.

 Affinity Water has launched a new scheme and is calling on environmental enthusiasts and interested groups to help stop the spread of Invasive Non-Native Species (INNS) within the Affinity Water supply area.

The Environment Agency is warning that the invasive non- native species quagga mussels has been found in the River Trent and Rutland Water.

South West Water is calling on the new chair of the House of Commons Environmental Audit Committee (EAC) to help tackle the problem of invasive non-native species.

A team at a Thames Water nature reserve have come up with an innovate way to save money and cut down on waste by recycling unwanted mussel shells. A team at a Thames Water nature reserve have come up with an innovate way to save money and cut down on waste by recycling unwanted mussel shells.