ConspectusPhotovoltaics (PVs) are currently the most economical and location-independent source of electricity generation, and their demand is growing rapidly as a sustainable renewable energy source.

A public health researcher explains the signs someone is developing heat exhaustion or heat stroke, and what to do.

Heat-related illnesses can quickly progress to life-threatening heat stroke, so it is important to recognize the warning ...

Humidity in Houston is often discussed due to its impact on how the weather feels, with humidity referring to the water vapor in the atmosphere.

Spoiler alert: Relative humidity is worthless. We’ve found a better number that can be the difference in when it’s hot out ...

Instead of just looking at temperature when planning outdoor activities, check the heat index, which accounts for heat illness risk associated with temperature and relative humidity ... 15 F higher ...

Record-breaking heat indices — a combination of temperatures and humidity to determine how heat really feels to the body — are possible from Kansas City to Maine.

Some heat safety tips are obvious — but some are surprising. Know how much water to drink and why humidity actually matters.

You need to start learning what the wet-bulb temperature is, as climate change makes the deadly combination of heat and humidity more likely.