Animals on the Brink of Extinction

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Aldabra giant tortoises, introduced to Round Island, Mauritius, as ecological replacements for the extinct Mauritian giant tortoises, eat the fast-growing invasive flora. (Christine Griffiths)

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Aldabra giant tortoises being re-located to the offshore Mauritian island, Round Island, over 150 years after the native giant tortoises went extinct. (Christine Griffiths)

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Coal burning power plants are the biggest source of carbon pollution, which is responsible for climate change, which is also driving animal decline.

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A warmer climate brings changes to the flora and fauna as in this major tributary of the Amazon river in Brazil, which pushed water levels to new lows.