Emissions concern 4 letters

Crossword clues for Emissions concern 4 letters

Answer	Clue
SMOG	Emissions concern
SOOT	Emissions concern
NEWTONIANTHEORY	Former hypothesis concerning the emission of light.
EPA	Org. concerned with emissions
EPA	Gp. concerned about emissions
EPA	Org. concerned with carbon emissions
EPA	Org. concerned with reducing emissions
EPA	It's concerned with Hg emissions
AUTOEXHAUST	Emissions inspector's concern
EPA	Org. concerned with car emissions