Lorcan Sirr: One in 10 Irish homes are at risk of overheating. Supermarket fans won’t cut it

'It's like an oven': Europe's deadly heatwave exposes homes built for winter

Europe is battling an intense summer heatwave that has left more than 1,300 people dead since June 21, according to the WHO. Beyond the immediate health crisis, the extreme temperatures are exposing a major challenge:…