The phrase "devastating impacts on" is correct and can be used in written English.
You can use this phrase to talk about the effects of something, often something bad or negative, on people, places, or things. For example, "The tornado had devastating impacts on the nearby town, with nearly half of the buildings destroyed."
For example, solving one issue, such as energy security, with the wrong solution will have devastating impacts on our environment, and such impacts will in-turn have devastating impacts on our economic and social well-being.
More decisively callous actions follow, with devastating impacts on all concerned.
A $15 base wage will have "devastating impacts on small businesses in California", Tom Scott, executive director of the state branch of the National Federation of Independent Business, said in a statement.
Local media is becoming increasingly regionally based, so communities, councils and parishes are fighting in a bigger pool to get their voices heard – with devastating impacts on community news.
"Poor dental care is the most common, chronic childhood ailment, and if untreated can result in pain, infection and other devastating impacts on a child's health," Ms. Killins said.
Today, on the anniversary of RBS becoming majority-owned by the public, 40 public figures from the UK have signed a letter to Alistair Darling, the chancellor, urging him to stop the bank from using public money to finance tar sands development, and other fossil fuel projects around the world that are having devastating impacts on the climate, local habitats and communities.
There's one more trend I'll mention I believe is having devastating impact on the Church and most certainly contributing to its decline.
The economic troubles that then set in declining productivity and a slowing growth rate, inflation, the harsh recession of 1982 had a devastating impact on the American movement.
A Conservative plan to penalise parents through the welfare system for having more than two children would have a "devastating" impact on poor families, leading charities have warned.
The CIPD warns that more jobs are being sent offshore, and that an immigration cap, imposed too quickly, could have a "devastating" impact on the economy.
But the chief executive of the Scottish Fishermen's Federation, Hamish Morrison, attacked the proposals, arguing that they would have a "devastating" impact on the industry.
