Protesters begin to gather ahead of the UK Student Climate Network's Global Climate Strike at Millbank in London, England on September 20, 2019. (Photo by Gareth Fuller/PA Images via Getty Images)

A member of Extinction Rebellion Red Rebel Brigade protests against fracking gas outside Government Buildings in Dublin, Ireland on March 23, 2021. (Photo by Clodagh Kilcoyne/Reuters)

Police officers remove Extinction Rebellion activists blocking a main street outside the Health Ministry, during a protest demanding actions against climate change, in Madrid, on March 26, 2021. (Photo by Gabriel Bouys/AFP Photo)

People walk past a mural depicting Ulster Volunteer Force gunmen in the mainly protestant area of East Belfast on June 23, 2011 in Northern Ireland. The Short Strand and Newtonards Road areas of East Belfast remained mostly peaceful after Protestant and Catholics groups were involved in a stand-off overnight. (Photo by Peter Macdiarmid/Getty Images)

Demonstrators are seen running for shelter from a protest against plans for new austerity measures October 19, 2011 in Athens, Greece. Greece's largest labor unions have called for a 48-hour strike, while the Socialist government is beginning to push through legislation for cost cutting reforms. (Photo by Milos Bicanski/Getty Images)

Naked activists for animal rights, covered in fake blood, perform during a protest against the use of fur and leather, at Catalunya Square in Barcelona, Spain, December 16, 2018. (Photo by Albert Gea/Reuters)

Law enforcement officers clash with protesters, Wednesday, July 20, 2016, in Cleveland, during the third day of the Republican convention. (Photo by John Minchillo/AP Photo)