As Trump moves to undo decades of work—begun by Republican President Richard Nixon—to protect people and nature from toxic chemicals, two recent pro-polluter policies are especially likely to harm his own voters. The majority of babies endangered by the rollback on mercury live in red states. The states with the largest number of coal plants—Texas, Indiana, Kentucky, and West Virginia, according to January 2026 data from Global Energy Monitor—voted overwhelmingly for Trump in both 2016 and 2024.