1 ene 2007 año - 46% of all Americans resided in counties with unhealthy levels of either ozone or particle pollution, according to the American Lung Association (ALA)
Descripción:
46% of all Americans resided in counties with unhealthy levels of either ozone or particle pollution, according to the American Lung Association (ALA)Añadido al timeline:
fecha:
1 ene 2007 año
Ahora mismo
~ 18 years ago