Wind regularly meets more than half of Denmark’s demand for power.

With its lively waterfront, tree-lined canal, and redbrick buildings topped by steep gunmetal-grey roofs, Aarhus looks like just another coastal city (...)

Petrol stations are losing millions of euro a year due to customers driving off without paying.

Renewable energy entrepreneur Eddie O’Connor is seeking to raise €10 million of investment for his latest venture, Supernode, which aims to develop te(...)

Scientists and engineers across Ireland are working on uses for the carbon we generate. Photograph: iStock

Electric cars and renewable energy alone are not going to solve the climate crisis. The biggest carbon generators are not what we might expect. And in(...)

The world has to find a way to distribute a fairer share of wealth arising from mining activities, according to Edmund Nickless of the International Union of Geological Sciences. Photograph: Marc O’Sullivan

The world has to find a way to distribute a fairer share of wealth arising from mining activities, according to Edmund Nickless of the International U(...)

Buzz Aldrin, an American engineer and  astronaut, was one of the first two humans to land on the moon. Photograph: Universal History Archive/Universal Images Group via Getty Images

The new film Apollo 11 about the first spaceflight to the moon is due for release in Ireland this coming weekend. It consists solely of high-quality a(...)

Taoiseach Leo Varadkar: ‘It’s good economic policy. it’s good social policy. It’s good environmental policy, and we just need to make it happen.’ Photograph: Dara Mac Dónaill

Each one of us will increasingly be confronted with the same question in the coming years: what are you doing to reduce your carbon footprint? There (...)

Schoolchildren stage a climate change protest in Sydney, Australia, earlier this month. When they graduate, will they want to work for a fossil fuel company? Photograph:  Saeed Khan/AFP/Getty Images

Sustainable finance is the cornerstone in the business side of climate change mitigation. Two of the best strategies to change corporations are: – c(...)

Every EU country has grid-level solar already in place, as does Northern Ireland. Amarenco’s chairman says it has been waiting three years to progress 16 projects in the Republic. Photograph:  Hector Retamal/AFP/Getty Images

Solar energy company boss John Mullins says there has been a staggering lack of progress in enabling the delivery of new renewable energy projects in (...)

ESB power station at Shannonbridge. Photograph: Brenda Fitzsimons

A move by the ESB to combine peat with biomass at its West Offaly Power Station is “fundamentally misconceived”, according to environmental groups led(...)

The deal takes Greencoat’s ownership of Cloosh Valley to 75 per cent. Photograph: iStock

Airtricity owner SSE is selling part of one of the Republic’s biggest wind farms to Irish-listed Greencoat Renewables for €34.5 million. SSE confirme(...)

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