By Victoria Colliver and Nolan D. McCaskill

Heat, environmental problems and the pandemic concentrate in certain neighborhoods. Here’s a new idea for what to do about it.

Heat, environmental problems and the pandemic concentrate in certain neighborhoods. Here’s a new idea for what to do about it.

Heat, environmental problems and the pandemic concentrate in certain neighborhoods. Here’s a new idea for what to do about it.

Heat, environmental problems and the pandemic concentrate in certain neighborhoods. Here’s a new idea for what to do about it.