Meet Féliciano Valencia
In the name of his people, he spent years in prison. Now, he's free and holds a seat in the Senate in his country. Here is the story of Féliciano Valencia, symbol of the struggle of indigenous people in Colombia.
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Activist Hilda Flavia Nakabuye's speech at the C40 in Copenhagen
Low-tech initiatives: Providing villages with water without using any electricity
France: A pristine nature reserve in the Alps
Brazil: tarballs have been piling up on over 100 beaches