Swiss glaciers are losing fast-protecting snow as Europe fries in a heatwave. That risks bigger ice loss later. Reports tell the story. In the United States, analysts say the current hot spell is impossible without climate change. Homes in New Zealand still struggle against extreme heat. Take older cities - older flats there stay hot without cooling systems. Locals step up on food shocks. Governments lag behind in response. These signs show heat danger rising and preparedness falling short everywhere.