The former regulators' warning comes in the wake of the U.S. Environmental Protection Agency's announcement to roll back dozens of air and water protections.

The head of the Environmental Protection Agency has announced a series of actions to roll back landmark environmental regulations, including rules on pollution from coal-fired power plants, climate change and electric vehicles.

Three former Environmental Protection Agency leaders say rollbacks proposed by the Trump administration endanger the lives of millions of Americans and abandon the agency’s mission to protect the envi