Phyllis Omido is one of six winners of the 2015 Goldman Environmental prizes. Goldman Environmental Prize/Courtesy of The Goldman Environmental Prize hide caption

itoggle caption Goldman Environmental Prize/Courtesy of The Goldman Environmental Prize

In the 1950s, the World Bank funded the creation of the world's largest man-made dam, the Kariba Dam, which sits on the border of Zimbabwe and Zambia. The construction of such dams can have dire consequences for poor people living near a river, an investigation found. Jekesai Njikizana/AFP/Getty Images hide caption

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In March, demonstrators in Nairobi demanded tougher punishment for assailants of women and girls. Anadolu Agency/Getty Images hide caption

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Students gather at a distance from the Garissa University College after an attack by gunmen in Garissa, Kenya, Thursday. The attack has injured dozens of people; a siege is ongoing. AP hide caption

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In The Shame In Venice 2, Kenyan artist Michael Soi protests the makeup of his country's pavilion at the Biennale. Courtesy of Michael Soi hide caption

itoggle caption Courtesy of Michael Soi

The chief prosecutor of the International Criminal Court has dropped all charges of crimes against humanity against Kenyan President Uhuru Kenyatta (left), but the charges against his deputy, William Ruto (right), still stand. Kenyatta said he was relieved by the decision, adding he was confident Ruto would be vindicated. AP hide caption

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