An ambitious clean-up program was begun in 1997 after some high-profile protests.
But this year, along with a fear of terrorism, the festival is bracing itself for high-profile protests by artists and technicians.
PMR organized high-profile protests at the Port of Olympia and the Port of Tacoma in 2006, 2007, 2008, and 2009.
Q: During the recent fashion week in New York, your group got a lot of attention for some very high-profile anti-fur protests, like throwing pies in designers' faces.
After a few high-profile but ultimately impotent protests by some early adopters, the backlash over Facebook's use of data seemed to die down.
The circumstances of his death generated significant controversy, leading to a series of high-profile resident protests and an investigation by the Middlesex County Prosecutor.
The vote came six months after a high-profile protest at City Hall.
Asked whether the high-profile protests would dampen consumer interest, Kal Ruttenstein, the fashion director of Bloomingdale's, said, "Absolutely not."
Criticism of the Idle No More movement has appeared in Canada's mainstream media, which has covered related high-profile protests such as road blockades and Spence's fast.
In recent years some members of the Hongan-ji sects have been involved in high-profile protests against the visits of Japanese politicians to the controversial Yasukuni Shrine.