Sentence examples for been a persistent concern from inspiring English sources

The United States trade deficit has been a persistent concern for years, of course.

Pollution has been a persistent concern for the Games, even as Chinese officials have promised to deliver clean air by imposing restrictions on cars and factories.

Since January the state of his health had been a persistent concern, marked by lengthy, sometimes unexplained, absences abroad for medical treatment in London and Israel.

There has been a persistent concern that, in order to get around various statutory and constitutional restrictions on domestic spying, the intelligence agencies have outsourced the actual surveillance to foreign allies, and then shared the intelligence gained with them.

While this commercial success makes the Kenya market a global leader, product quality problems have been a persistent concern.

There has been a persistent concern in obstetrics about the increasing rate of primary cesarean section.

Underemployment is a persistent concern among industrial workers.

Mental health problems are a persistent concern – particularly widespread are incidences of depression, anxiety and post traumatic stress disorder.

"Sudden deaths of entire honey bee colonies is a persistent concern in North America," said Paul de Zylva, Friends of the Earth's senior nature campaigner.

Terrorist attacks are a persistent concern in India, particularly in the country's rapidly growing cities, which have endured a series of bombings in recent years.

The selective capture of radiological iodine (129I) is a persistent concern for safe nuclear energy.