As a result, public protests and riots over environmental issues have become increasingly common.

Just as the protests are becoming more and more common, so is the use of overwhelming force to put them down.

The protest became violent and police responded by firing plastic bullets.

Over time his protests had become halfhearted but he made them because it was expected.

And protests are becoming more confrontational, the report says.

These protests are becoming a part of daily life.

Unemployed workers began to block local roads in 1997, and their protests have become increasingly violent.

During the nineteen seventies protests became growing regarding the use of asbestos.

By September, the nation was rapidly destabilizing, and major protests were becoming a regular occurrence.

The protest has become such an event that the city's tourism bureau this year helped arrange hotel accommodations.