Ballycotton businessman Pearse Flynn is convinced that wind and hydrogen can be for Cork as oil has been for Norway and Saudi Arabia. He explains his plans, while a new report says offshore wind is leading the transformation of the global energy system.

Irish researchers will take part in a major European project aimed at bringing so-called "green hydrogen" into the renewable energy mainstream, including powering the likes of Valentia and the Aran Islands.

The world’s first flight by a “commercially available aircraft” powered by hydrogen fuel cells has been heralded as a milestone in the development of sustainable aviation.