Study finds dangerous mercury levels in Amazon fish

Nearly one-third of the fish in the Brazilian Amazon state of Amapa have such high levels of mercury caused by illegal mining that they are dangerous for human consumption, according to a new study.

Nearly all Madagascar's lemur species 'face extinction'

Almost all species of lemur, the small saucer-eyed primates native to Madagascar, face extinction, an international conservation body warned on Thursday, adding to its growing list of animals and plants under threat.

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