The cranes’ preferred prey animals, such as aquatic insects, crayfish and frogs, are vulnerable to acidic waters. The EPA has not updated the nitrogen standard since it was first set in 1971. Soot, ...

A tawny owl is set to be checked by an eye vet after being found trapped and covered in soot in a wood burner flue. The bird had strayed down the chimney at a holiday home on Dorset's Jurassic ...

After decades of black soot routinely coating homes and playgrounds near Hamilton's industrial sector — and no clear answers about what the Ontario government is doing to address it ...