Environmentalists worldwide are celebrating Earth Day on Monday with events highlighting the effects of climate change and ways to protect the environment.
Earth Day, 2013
![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.](https://gdb.voanews.com/effd093f-506b-4697-97eb-c9dc967e3744_w1024_q10_s.jpg)
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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.](https://gdb.voanews.com/bcee43ae-a8e9-4fe0-ac58-6b809acbf310_w1024_q10_s.jpg)
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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.](https://gdb.voanews.com/205b3711-2f79-45aa-8a9f-31d6fb1af14f_w1024_q10_s.jpg)
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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.](https://gdb.voanews.com/f9970aaa-05c1-4cf3-aba4-1114d87e6490_w1024_q10_s.jpg)
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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.