Rapidly decarbonising our cold, leaky dwellings is the greatest challenge facing the building industry, one fraught with complexity and risk. Given that the UK faces similar challenges to Ireland – in a similar climate, with similar housing stock – what can we learn from British efforts to meet this challenge? Leading UK green building association the AECB has put forward a proposal that could help to chart a new course through these choppy waters.

On a day when world record oil prices were again surpassed (see here ), Microsoft has launched a new technology (see here ) which it says could cut over two million tonnes of CO2 every year - about the same emissions as the Poolbeg power station, or 392,000 mid-sized cars.

Jason Walsh visited the recently refurbished offices of Wicklow County Council to see an approach that achieves energy conservation, carbon reduction and dramatically increased occupant comfort by lowering electricity and heat demand and avoiding unwanted overheating