Parasols and beach umbrellas 🏖️ are pretty useless at keeping you cool. Effectively it's only a degree cooler underneath them, modelling suggests 🧪 (the study didn't look at trees but their shade should be much cooler) www.newscientist.com/article/2582...
Why sitting under a parasol is barely cooler than being in the sun | New ScientistA beach umbrella might protect you from sunburn, but when it comes to keeping you cool, it makes surprisingly little differencewww.newscientist.com