In a landmark decision, the Environmental Protection Agency (EPA) has finalized a rule that mandates chemical plants across the United States to significantly decrease the levels of toxic air pollution they emit. This rule targets a wide array of pollutants known to pose grave health risks, including potential carcinogens. The move is part of a broader effort to safeguard public health and the environment from industrial pollution. The EPA's action reflects an intensifying focus on imposing stricter environmental regulations on the chemical industry, with the ultimate aim of mitigating air pollution and enhancing air quality for communities across the nation.