1.   Noise has become one of the great pollutants of modern city life and increased traffic is the greatest culprit.

2.   Noise has become one of the main pollutants of modern city life.

3.   The noise is becoming a real problem.

4.   The noise became louder and he could just see the outline of a lorry.

5.   But the noise became much louder once the trees were removed, he said.

6.   Crowd noise became louder and louder.

7.   Eventually all that unmodulated noise becomes tiresome.

8.   Head down, McCain soldiered through his prepared speech until the noise became too loud, and he looked up.

9.   Indeed, noise has become a design element in restaurants.

10.   Ken Aretsky, co-owner of the power-packed Patroon, like other restaurateurs, says that noise has become integral to a thriving restaurant.