Environmental groups take first step to sue Suncor Energy :

Groups including GreenLatinos, 350 Colorado, Sierra Club sent a notice to Suncor Energy about its Commerce City Colorado refinery's pollution violations.

Related Keywords

Colorado , United States , Denver , Commerce City , Lucy Molina , Margaret Kran Annexstein , Colorado Sierra Club , Colorado Department Of Public Health Environment , Sierra Club , Suncor Energy , Colorado Department , Public Health ,