My weather app says it’s 80 degrees, but that’s a lie. I’m standing on a football field at Portland State University with professor Vivek Shandas, and we can feel intense heat radiating off the grass. Instead of being made of cellulose, these blades are plastic, because this field is artificial...
Source: [Grist](https://grist.org/extreme-heat/these-psychedelic-images-reveal-what-your-weather-app-isnt-telling-you/)