Ireland’s largest employers knocked E60 million off their energy costs in 2008 through efficiency measures, energy minister Eamon Ryan announced yesterday at the Sustainable Energy Ireland global conference on energy management in Farmleigh, Dublin.

Can a supermarket be green? Tesco's new store in Tramore, County Waterford suggests that, at least in terms of the building it’s housed in, the sky’s the limit. Jason Walsh visited a building which meets passive house standards and demonstrates impressive attention to sustainability throughout its design.