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.
(..) stardate ---. My ship has run off course en route to sector . I've crash-landed on a strange planet. The impact must've awoken me from hypersleep. Terrain seems a bit unstable. No readout yet if the air is breathable. And there seems to be no sign (..)1995 Toy Story