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.
(..) And what do you think Hooli is going to do with it? I don't know. That's their business. This is your baby. Do you even realize the impact that a compression this good could have on the world? Getting any file on your mobile phone in an instant. Navigation data for self-driving cars, (..)2014 TvShow: Silicon Valley Title: Minimum Viable Product Season: 1 Episode 1