Mola mola: a near-circular disc of a fish with a rather small mouth, the sunfish swims mostly vertically. Illustration: Michael Viney

Measuring big changes in the life of the sea can mean poring over the records of tiny things such as plankton. But swimming into recent Irish calculat(...)

Fachtna O’Reilly arrives at court in Cork. Photograph: Michael Mac Sweeney/Cork Courts

A landlord has been given a week by a judge to halt students from holding Covid-19 lockdown parties at two of his properties near University College C(...)

This Government failed to stop illegal turf harvesting on raised Midland bogs during recent years, so a negative response to a ban on this traditional fuel can be anticipated. Photograph: Bryan O’Brien

Threats of litigation by coal producers over a proposed nationwide ban on smoky coal have caused the Government to hesitate on established policy. I(...)

Shelves of bottled water at  SuperValu Finglas Village as over 600,000 consumers awaited updates from Irish Water on a boil notice in place  for parts of Dublin, Kildare and Meath. Photograph: Sam Boal /

More than 600,000 people have been issued with “boil water” notices for the second time in three weeks because of the poor quality of water being abst(...)

A woman  stocks up on drinking water at a Lidl store in Leixlip. Phootgraph: Colin Keegan/Collins Dublin

The boil water notice should be lifted by the weekend for most of the 600,000 people affected, Minister for Housing Eoghan Murphy has told the Dáil. (...)

Following further heavy rain last weekend, the waters at Seapoint, Sandycove (above) and the Forty Foot were declared unfit for bathing, together with Dollymount on the Northside. Photograph:  Terry McDonagh

Dubliners are living with the result of inadequate investment in sewage treatment systems. Twice this month, families were advised it was unsafe to sw(...)

New Welsh by-laws will require release of all salmon caught by nets before June 1st.

In a dramatic move brought about by the perilous state of all salmon and many sea trout stocks, Natural Resources Wales (NRW) has implemented a suite (...)

A sunny day at the seaside should be a positive experience for parents and young children. It is particularly significant in Dublin, where tens of tho(...)

Public health attracts attention only when people are admitted to hospital or when accident and emergency services are overrun. Even then, the causes (...)

Water quality has deteriorated in many Irish rivers and lakes. Photograph: Alan Betson / The Irish Times

There has been a slow but catastrophic decline in the quality of water in our lakes, rivers and estuaries. The number of water systems that qualify as(...)

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