Marine Le Pen: Brexit would be like the fall of the Berlin Wall. Photograph: Dominique Faget/AFP/Getty Images

Irish political leaders have been told that they “can make a difference” in the UK’s debate on European Union membership ahead of June’s referendum. (...)

David Nabarro, special adviser to UN secretary general Ban Ki-moon on the 2030 Agenda. Photograph: Eric Luke

David Nabarro’s new job comes with a daunting in-tray. Last September, heads of state and government from 193 countries approved a set of goals and ta(...)

UN secretary general Ban Ki-moon, French foreign affairs minister Laurent Fabius and French president François Hollande celebrate the adoption of a climate change deal in Paris. Photograph: Guillot/AFP/Getty Images

‘It always seems impossible until it is done.” Thus spoke French foreign minister Laurent Fabius, quoting another author of the impossible, Nelson Man(...)

 John Hume at the funeral of former taoiseach Albert Reynolds  at the Church of the Sacred Heart, Donnybrook, Dublin, August 2014. File photograph: Eric Luke/The Irish Times

John Hume jnr, son of the former SDLP leader, has said his father is suffering from “advanced stage dementia” but that, unlike the past when it seemed(...)

Bord Bia’s report said Ireland’s dairy herd already enjoyed the joint-lowest footprint in the EU

Greenhouse gas emissions from Irish agriculture could be reduced by 6 per cent if under-performing beef and dairy farms were brought back in line wit(...)

Minister for Agriculture Simon Coveney announced the commencement of payments worth €620 million to over 100,000 Irish farmers. Photograph: Dara Mac Dónaill / The Irish Times

Ireland’s approach to reducing agricultural emissions has won praise from one of the most influential voices in the climate change debate. Juergen V(...)

Chief of Staff Mark Mellett (left) warns over “enemies” of the State gaining advantage. Photograph: Alan Betson

Conor Lally Security and Crime Editor The Defence Forces needed to properly harness the “explosion” of data in modern society or risk making terroris(...)

 Maros Sefcovic, vice president of the European Commission in charge of energy union, with  Minister for Communications, Energy and Natural Resources Alex White, at the Powershift ESB energy  in Dublin. Photograph: Sam Boal/RollingNews.ie

One third of Irish households will be generating their own electricity within 10 years, the ESB’s chief executive has predicted. Pat O’Doherty said (...)

 Pat O’Doherty: “Technology is enabling profound changes in the way that we generate and consume energy, and this has huge implications not just for the energy sector, but also for society as a whole and our economy.”  Photograph:  Alan Betson / The Irish Times

A “power shift” is taking place within the energy industry as a result of the convergence of energy, technology and the drive for sustainability. The (...)

US president Barack Obama invoked his presidential veto to block the Keystone XL project on environmental grounds. Photograph: Andrew Harrer/Bloomberg

The State’s main sovereign wealth fund holds more than €70 million worth of investments in some of the most polluting industries on the planet. An a(...)