The phrase "affect communities" is correct and usable in written English.
You can use it when discussing the impact or influence of an action, policy, or event on various communities.
Example: "The new environmental regulations are expected to significantly affect communities that rely on fishing for their livelihoods."
Alternatives: "impact communities" or "influence communities".
Griffith said the closures would affect communities which had long-standing links with military bases.
If you don't think the voter ID laws will disproportionately affect communities of color, take a look at the stats.
Infrastructure investments will continue to affect communities long after they are made.
How these dams may affect communities and ecosystems in neighboring downstream countries like Bangladesh and Pakistan is little discussed.
Legalizing or reclassifying marijuana could reduce the number of possession-related arrests that disproportionally affect communities of color.
The slides also look at how the tremors can affect communities with an eyewitness report from the Loma Prieta earthquake and video footage from the Japanese tsunami.
Every single day, for example, the government is saying: "Comment on our budgets" – important things that are going to affect communities deeply.
Our next state's attorney should seek to reform our cash bail system, ending archaic rules that disproportionately affect communities of color and low-income individuals.
"Violent extremism and terrorism are problems that affect communities around the world, including Russia," said Jen Psaki, the State Department spokeswoman.
Mining work often goes unregulated, causing endangered lives, lack of pollution control, and occasional rockslides that negatively affect communities around the world.
For his project, he will be conducting surveys and partnering with other organizations and government officials to analyze how gender imbalances affect communities.
