Air pollution is killing wildlife and people

Wild orchids, as seen here in the Peak District, Derbyshire, are among plants that are sensitive to increases in nitrogen levels. Photograph: Alamy Stock Photo

Measures to cut air pollution need to be extended beyond urban areas, say representatives of six wildlife organisations. Plus Dr Richard Carter warns that avoiding main roads won’t protect you from small particulates

Source: Air pollution is killing wildlife and people | Letters | Environment | The Guardian