Swiss glaciers are shedding fast-protecting snow as Europe fries in a heatwave. That threatens bigger ice loss later. Sources tell the story. In the US, experts say the current hot spell would not occur without climate change. Homes in the region still can’t cope with extreme heat. Take Berlin - older flats there stay hot without cooling systems. Locals step up on food shocks. Governments trail in response. These signs show heat danger growing and preparedness lagging everywhere.