Activists from Homestretch Greyhound Rescue and Adoption and owners with their “Retired” racing greyhounds protest in front of Skechers at the Third Street Promenade on Saturday, January 28, 2012. They are protesting the Skechers super bowl commercial which featured greyhounds at Tucson Greyhound Park. According to the activists, the Tucson track is one of the worst tracks in the country for its illegal and abusive treatment of greyhound dogs. Over 150,000 people have signed the GREY2K USA petition asking Skechers to not air the ad.

Flick Junior protests against SOPA (the Stop Online Piracy Act) at  Main Street on Wednesday, January 18, 2012.

Activists argue that the bill would threaten prosperity, online security, and freedom of expression and give the government too much power to shut down Web sites accused of copyright violations even if they are later found to be innocent of the charges.

Protesters rally in support of “Jobs Bill” + “Warren Buffett Rule,” in front of Bank of America on Fourth Street on Thursday, October 13, 2011. The protest was organized by MoveOn.org.

About a 100 protesters from community, labor and social service groups rallied against Gov. Schwarzenegger's proposed budget cuts on Monday, July 20, 2009, at the Santa Monica Airport, which the governor uses frequently to fly to Sacramento from his home in Brentwood. The state is facing a $26.3-billion budget deficit.

Hundreds of taxpayers protest on Ocean Avenue in Santa Monica during a tax day 'Tea Party' on April, 15, 2009. The tax day Tea Party is a national collaborative grassroots effort to protest against the passage of President Barack Obama’s trillion-dollar stimulus. Hundreds of Tea Parties were stage across America.

Hundreds of Prop 8 protesters rally at the Santa Monica Pier on Tuesday, November 11, 2008. Protestors are upset over the passage of Proposition 8, which bans the right of same-sex couples to marry.

(ABOVE) Achuar leaders (left to right)  from the Peruvian rainforest, Henderson Rengifo, Manuel Tampet Najasip and Carlos Mukuin Tirisfrom speak outside of the Fairmont Miramar Hotel during Oxy’s Annual shareholders’ meeting on Friday, May 2, 2008. "We are tribal warriors and we will fight against any oil developments, we will not allow our land and water to be contaminated by Oxy!" said Manuel Tampet Najasip during the demonstration. (Top) Lionel Powell AKA 'Tree Man' holds a sign during the Oxy protest on Friday. Approximately 50 environmental activists demonstrated outside of the Fairmont Miramar Hotel, scrubbing the sidewalk and holding banners, reading: OXY: Clean Up Your Toxic Waste in the Amazon,” during the rally. According to Amazon Watch, Oxy dumped nine billion barrels of toxic wastewater into virgin tropical rainforest belonging to the indigenous Achuar people when it drilled for oil in Peru from 1971 to 2000. The company then fled the country, leaving local communities with lead and cadmium poisoning and living in a devastated environment. Amazon Watch Executive Director Atossa Soltani. “Oxy knowingly poisoned the rainforest homeland of the Achuar people and has refused to clean up its toxic contamination. It appears we now need to resort to public demonstrations and lawsuits to get Oxy to do the right thing.”