We hope that these programs will have a positive 'impact on' the community. [=will help the community]
The stress of her job is having a negative 'impact on' her health. [=is harming her health]
We need to be concerned about the environmental 'impacts' of all this construction.
(..) CAPTAIN: Ship down on the starboard side! Thirteen! Twelve! Eleven! Ten! Blades in! Brace for impact! (PANTING) - (CRASHING) - (SLAVES SCREAMING) HORTATOR: Drum! Where's the drum? Reverse! (..)2016 Ben-Hur