Environmentalists worldwide are celebrating Earth Day on Monday with events highlighting the effects of climate change and ways to protect the environment.
Indian activists of the People for the Ethical Treatment of Animals (PETA) with bodies painted in green hold placards during a vegetarianism campaign in Hyderabad, India, April 22, 2013.
A girl in traditional headwear joins a protest against plans by a private developer for a reclamation project along Manila's Bay, as they celebrate Earth Day on April 21, 2013, in the Philippines.
A volunteer, wearing a disposable cup costume, participates in an environmental campaign as part of Earth Day celebrations in front of Seoul City Hall in Seoul, South Korea, April 22, 2013.
School children collect rubbish from Karachi's Clifton beach early morning April 22, 2013, during a cleaning campaign as part of the commemoration of Earth Day.
Rebecca Lawson of Pennsylvania, U.S, and a missionary from Stewards of Creation, carries a sack of trash after she joins students, environmental activists and volunteers collecting trash in an effort to clean up the coast of Manila, Philippines.
Students, environmental activists and volunteers collect trash in an effort to clean up the coast of the Philippines, home to a mangrove forest and a bird sanctuary, as part of the advanced commemoration of Earth Day.