Record-breaking heat wave engulfs US, raising concerns about climate change

A heat dome continues to bring scorching temperatures to the western United States, with heat advisories and warnings issued for 40 million Americans across 10 states. Record-breaking temperatures have been recorded in various cities, including Palm Springs, Phoenix, Las Vegas, and Tucson. The heat is expected to persist in the west and move eastward towards the Midwest, with temperatures soaring into the 90s and 100s. The heatwave is predicted to continue through the end of July and into August, particularly in the southern regions of the country.