Los Angeles officials are struggling to cope with rising heat in a city where a majority of bus stops lack shelter. A recently unveiled “shade and lighting” pilot effort known as La Sombrita (“little shadow” in Spanish) is a thin, slightly curved sheet of perforated metal attached to a pole. It’s designed to be cost-effective and fit into places where planting trees would be impractical. Alas, UCLA Luskin’s V. Kelly Turner said, “What I see is a shade structure that has been basically whittled down by all the regulations and policies that make it really difficult — and you can call it illegal — to produce shade where needed.” Turner, an associate professor of urban planning and geography who studies how to protect people from extreme heat, told Fast Company that “patchwork, piecemeal interventions” like La Sombrita exemplify that cities have historically not thought about shade as an infrastructure system.