Demonstrators gather near Columbus Circle before the start of the People's Climate March in New York Sunday. Organizers are hoping 100,000 people worldwide might participate in the rally.
A helicopter carries VIPs to the Brazilian Grand Prix in Sao Paulo in 2010. Politicians taking expensive helicopters and government planes have generated controversy in Brazil.
Jefferson Bernardes/AFP/Getty Images
Erdem Gunduz (center) stands in Instanbul's Taksim Square early Tuesday. After weeks of clashes with police, many Turkish protesters were inspired to emulate Gunduz, and stand silently.
Petr David Josek/AP
Protesters march outside the Japanese Embassy in Beijing on Saturday. Tension escalated, sometimes to violence, in cities across China after Japan bought the disputed islands from a private Japanese owner.
Protesters organized by Occupy Wall Street and Occupy Together yell slogans and hold signs at Courthouse Square in Dayton, Ohio, Wednesday. Several large unions have come out in support of Occupy Wall Street.