The phrase "having a negative impact on" is correct and can be used in written English.
For example, "The pollution in the city is having a negative impact on air quality."
"Me too!" — and apologized for having a negative impact on Massachusetts' divorce rate, which is one of the lowest in the nation.
These pressures are having a negative impact on safety and rehabilitation.
Continuing austerity measures are having a negative impact on access, however.
The survey also found that constantly being connected was having a negative impact on our manners.
"It's not them who are having a negative impact on the environment," he says.
A new report finds that the presidential election is having a negative impact on students.
The ban is also having a negative impact on the business of rearing pigs.
"It was having a negative impact on my property, on our street and our neighborhood.
Increased urbanization in many societies is having a negative impact on vitality of rural areas.
The sale of NHS services is fragmenting the health service and having a negative impact on patient experience.
Tanzer's comments about Airbnb's expansion having a negative impact on tourism were fiercely rejected by the company.
