Drones are being used to replant degraded areas of forest in Brazil – how successful have they been so far?
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Haitians may face ‘life threatening risks’ and further displacement if returned to Haiti, UN refugee agency says.
Brazil beat a joint bid by Belgium, Netherlands and Germany to become first South American nation to host the event.
Elmer Fernandez’s killing comes after an emergency was declared in February to curb a surge in prison violence.