troposphere
['Retraction: Herndon J.M. Evidence of Coal-Fly-Ash Toxic Chemical Geoengineering in the Troposphere: Consequences for Public Health. Int. J. Environ. Res. Public Health 2015, 12, 9375-9390', 'Paul B Tchounwou', 'English', '2015-09-02', 'troposphere', 'retraction notice', 'Retraction: Herndon J.M. Evidence of Coal-Fly-Ash Toxic Chemical Geoengineering in the Troposphere: Consequences for Public Health. Int. J. Environ. Res. Public Health 2015, 12, 9375-9390']