Coal plants give off air pollutants and heat-trapping gases that have been linked to climate change.

煤电厂会释放与气候变化有关的空气污染物和吸热气体。

PM 2.5 is an air pollutant that is damaging to the lungs in high levels.

PM2。5是一种空气污染物，高浓度PM2。5会损伤肺部。