The heat index tells you what it "feels like" outside when you factor in the humidity. For example, if it's 98 degrees Fahrenheit (36.7 Celsius) with 55% relative humidity, it might feel more like ...

Methodology The second chart shows pathways for reducing carbon emissions that would have a 66 percent chance of limiting global warming this century to 1.5 degrees Celsius above the preindustrial ...

On the macroscopic scale, temperature is the unique physical property that determines the direction of heat flow between ... and a few other countries), the degree Celsius scale is used for ...