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Coral Reef Expert

  • Photo: Enric Sala

    Enric Sala, Marine Ecologist

    Witnessing the harm people do to the oceans led Enric Sala to dedicate his career to mitigating human impact on marine life.


  •  Picture of a Malayan tiger

    Pictures: Tiger Subspecies

    Scientists estimate only about 3,000 wild tigers are left in the entire world. Meet the subspecies and see what threats each is facing.

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