Are the animals in Lujan's zoo on drugs ?
Are the animals in this Argentinean zoo on drugs, or just really well-trained? Some visitors are asking questions.
And even more
Donald Trump wants to exploit this old-growth forest
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Rescued chimpanzees in the Democratic Republic of the Congo
Activist Hilda Flavia Nakabuye's speech at the C40 in Copenhagen
Low-tech initiatives: Providing villages with water without using any electricity
The harpy eagle is a fearsome predator