Dhaka, June 25 -- With climate change intensifying heat waves worldwide, staying cool is becoming more difficult and critical. The burning of fossil fuels like coal, oil, and gas continues to heat the planet, worsening conditions in already hot regions.

Extreme heat isn't just uncomfortable - it poses serious health risks, especially for older adults, children, and people with underlying medical conditions.

Here are key tips to stay safe:

When Does Heat Become Dangerous?

It's not just about the air temperature. The most detailed measurement is called the Wet Bulb Globe Temperature (WBGT), which accounts for temperature, humidity, wind, and sunlight exposure.

A more common, but less precise, measure is the heat index, which combines t...