White clawed crayfish (Austropotamobius pallipes) underwater on riverbed, River Leith, Cumbria, England, UK. File photograph

Large numbers of dead freshwater crayfish have been reported in the River Barrow from Carlow to Graiguenamanagh, Co Kilkenny, in recent days. The ou(...)

Sinn Féin MEP Lynn Boylan: “Invasive species not only damage or destroy biodiversity but they also impact on tourism and fisheries.” Photograph: David Sleator

The Government must ensure proper funding and resources to tackle invasive alien species (IAS) following the expansion of an EU-wide list of such anim(...)

A computer-generated image of Lidl’s planned new supermarket in Carrick-on-Shannon, Co Leitrim.

Opposition is growing in Carrick-on-Shannon to plans by Lidl to build a new supermarket on what locals claim is the last green space in the town. Lo(...)

River Barrow trail: “The grassy towpath is the green frame for the river,” according to Olivia O’Leary River Barrow trail: “The grassy towpath is the green frame for the river,” according to Olivia O’Leary. Photograph: Paddy Woodworth

“Step out on the grassy way which is the Barrow towpath and you have stepped into another world. You can walk along the river for miles without hearin(...)

All along the banks of the Royal Canal: a small tortoiseshell butterfly. Photograph: Bart Busschots

The last refuge of nature in our overcrowded world is often, ironically enough, to be found in obsolete remnants of human industry.  Our canal s(...)

Grand Canal food market: the 16 stalls drew local office workers. Photograph: Eric Luke

A lunchtime food market on the Grand Canal in Dublin 4 that has been running for three years has been axed after opposition from residents and Dublin (...)

Gary Coughlan, right, being presented with the Lough Conn Trophy by Wicklow Anglers’ president Stuart McGrane

The board of Inland Fisheries Ireland (IFI) has welcomed a new study in the international journal Aquaculture Environment Interactions which utilised (...)

With 16 stalls serving takeaway food, the market had proved a popular lunchtime draw for local workers. Photograph: Eric Luke

Waterways Ireland has been refused permission to continue running a weekly food market on the Grand Canal in Dublin on the grounds it would be “seriou(...)

 Jeanie Johnston being floated in dry dock at Dublin Port: it is the last ship in the port’s graving dock, which is being  filled in as part of a €230 million project. Photograph: Cyril Byrne

History was marked at Dublin Port on Monday when tall ship Jeanie Johnston floated out of its graving dock. The replica 19th century “Famine” ship is(...)

Arts Council director Orlaith McBride: Brexit will have a detrimental effect for the many Irish artists who relied on showing their work in the UK. Photograph: Brenda Fitzsimons

Irish performers at the Edinburgh Festival, along with international touring productions by companies such as Druid, could be among many cultural acti(...)