A new dataset highlights the number of people on Earth exposed to dangerously hot weather World leaders have committed to limiting Earth’s rising temperature to 1.5 degrees Celsius (2.7 degrees Fahrenheit) above pre-industrial times. But what does that feel like? It’s difficult to convey, because we regularly experience greater temperature changes throughout the day. But while you may not directly feel a rise in the average global temperature, you can still experience its impacts. One of the most noticeable impacts: days when it’s extremely hot. As the global average temperature rises, so do the hottest daily temperatures. And, in some places, the hottest days can be dangerous to human health, causing heat stress. Heat stress can create a host of health problems, including rashes, cramps and heat stroke. Hot air is not the only risk factor for it. Other factors include humidity, wind speed and the amount of shade. […]