Older homes can have a variety of environmental health risks. Kerry F. Thompson and Ryan T. Wilson March 15, 2021 Fixing indoor air pollution problems that are raising Native Americans’ COVID-19 risk Lisa Hardy, Northern Arizona University; Kerry F. Thompson, Northern Arizona University, and Meghan Curry O’Connell, University of South Dakota Poor indoor air on tribal lands can cause a range of respiratory illnesses, including viral infections. Here's how people are fixing the problem while preserving traditional ways.