Because of Covid-19, developers are realizing that incorporating health concerns in a building’s design isn’t just a luxury—it’s a necessity.

Several years ago, Rachel Hodgdon, an expert in green buildings, was touring a new high school in DeKalb County, Georgia, when she asked teachers how they liked their new building. They loved it. The best part, they told her, was that they no longer went home each afternoon with the “2:30 headache.”