Sara Kassabian

Daisy and Ximena Lopez, 5, sit on the porch of their home in Oakland. Ximena, suffers from cerebral palsy, diabetes insipidus, epilepsy and dysautonomia, among other conditions, and is particularly sensitive to heat and cold because she cannot sweat…

Every night, Guadalupe Muñoz lays awake listening to her 7-year-old daughter Carla breathe. If she hears a whistling in Carla’s chest, she knows an asthma attack is imminent. Muñoz, who works in housekeeping at a local hotel, lives in a two-bedroom…

In the 10 years that Zinia Gangopadhyay has taught at Acorn Woodland Elementary in East Oakland, she says she’s noticed a “shocking” number of people around her getting sick, from cancer to breathing problems. “We’ve heard of parents and families in…