Near-record heat has prompted excessive heat warnings across the Las Vegas valley, which has some parents at a recently built elementary school asking why the playgrounds are lacking protective ...

In California, 91 percent of the average schoolyard has zero tree cover. Playgrounds aren’t shadeless by accident: ... that the school just didn’t have the money to add shade to the playground.

When researchers looked at 174 elementary schools in the St. Louis area for a 2019 study, they discovered that poorer students had much less shade cover in their playgrounds.