Nearly half of children in the United States are breathing dangerous levels of air pollution, according to a new report, as experts warned Donald Trump’s expansive rollback of protections will make the situation worse…

…The report further found that communities of color are disproportionately exposed to unhealthy air. As a result, they are more likely to live with one or more chronic health conditions that make them more vulnerable to pollution, including asthma, diabetes, and heart disease…

…Since returning to office last year, the Trump administration has initiated at least 70 actions to roll back environmental and climate protections. Among them is the loosening of regulations on power plants that limit mercury and other hazardous air toxics.