A sweaty Fourth of July ahead for the US as extreme heat descends on 20 states

This Fourth of July is set to be particularly sweaty for many Americans as extreme heat waves affect nearly 20 states, stretching from the East Coast to the Midwest. With Independence Day celebrations and World Cup events in full swing, health officials are urging people to stay hydrated and take breaks to avoid heat-related illnesses. This intense heatwave underscores the growing frequency of extreme weather events, a concern linked to climate change that could have significant public health implications.