Desperate for shade on your walk? There’s (almost) an app for that. ^38.2%

Grist - By Matt Simon - 6/18/2026, 8:30 AM

Optimism Bias 30.8% - Attempt to Sell a Product or Service 25.6% - Hasty Generalization 22.4%

It’s getting increasingly unbearable, even downright dangerous, to walk in cities. That’s because of the urban heat island effect: Buildings, sidewalks, and roads absorb the sun’s energy and radiate it back at pedestrians, raising temperatures far above that you’d find in the surrounding countryside. If a city like Phoenix doesn’t have... more