Safety management system cited as factor in 2016 death of volunteer off Clare coast

Offshore wind is seen as the current ‘most immediate’ contributor to meeting Ireland’s 2030 renewable energy targets

Investigation also to focus on tuna caught by commercial and recreational vessels

High Court also directs Minister for Transport Shane Ross to rectify breach

‘Much concern’ about the Irish Coast Guard’s management of its Kilkee unit

Government expected to review position on legislation for cross-Border fishing rights

Marcus Connaughton leaves ‘niche’ radio show with ‘remarkable following’ after 15 years

Sea search fans out from Blackrock island after appeal by Ciarán Smith’s sister Orla

‘Disappointing’ weather hampers efforts of salvage team hoping to lift helicopter from seabed

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‘Weak’ transmission picked up during continued search for three missing crew

Concerns raised over plan’s impact on traffic as water users welcome better river access

Supertrawler Atlantic Dawn sold a decade ago but deal works against smaller operations

Industry welcomes 233,500 tonnes quota, an increase of 6% on 2016, and worth €280m

John Hannigan’s highly readable survey of mankind and the oceans tackles deep-sea mining, superpower rivalries, global warming and popular culture