Millions of Americans under heat alerts

A dangerous heat dome affecting the western United States is now moving eastward, causing extreme heat and prompting widespread heat alerts across the country. This phenomenon is raising concerns about the increasing frequency and intensity of heatwaves, likely linked to climate change. The heat is expected to impact millions, stressing infrastructure and health systems, especially for vulnerable populations. Experts warn that such extreme weather patterns could become more common, underscoring the urgent need for climate action.