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  • Audiobook

    Bluefin Tunas and the Problem of Overfishing

    by John Rafferty ...
    Narrated by John Rafferty ...
    Series series Postcards from the Sixth Mass Extinction

    Unabridged

    18 min

    John Rafferty of Encyclopædia Britannica discusses the Atlantic and Pacific bluefin, two species of tunas that are threatened by overfishing. This is the third part of the Postcards from the 6th Mass Extinction audio series. ... Read more

    $4.99 USD or Free with Kobo Plus

  • Audiobook

    Incredible Shrinking World of the Polar Bear, The

    by John Rafferty ...
    Narrated by John Rafferty ...
    Series series Postcards from the Sixth Mass Extinction

    Unabridged

    21 min

    John Rafferty of Encyclopædia Britannica discusses the polar bear, a mammal that is among the world's largest carnivores on land, and the threats to its survival. This is the second part of the Postcards from the 6th Mass Extinction audio series. ... Read more

    $4.99 USD or Free with Kobo Plus

  • Audiobook

    Losing the Vaquita in the Northern Gulf of California: What Would It Mean?

    by John Rafferty ...
    Narrated by John Rafferty ...
    Series series Postcards from the Sixth Mass Extinction

    Unabridged

    14 min

    John Rafferty of Encyclopædia Britannica discusses the challenges of protecting the world's smallest porpoise, the vaquita, from extinction. This is the first part of the Postcards from the 6th Mass Extinction audio series. ... Read more

    $4.99 USD or Free with Kobo Plus

  • Audiobook

    Earth's Acidifying Oceans

    by John Rafferty ...
    Narrated by John Rafferty, Chris Langdon ...
    Series series Postcards from the Sixth Mass Extinction

    Unabridged

    40 min

    John Rafferty of Encyclopædia Britannica and Dr. Chris Langdon of the University of Miami examine the processes of ocean acidification and coral bleaching. This is the 11th part of the Postcards from the 6th Mass Extinction audio series. ... Read more

    $4.99 USD or Free with Kobo Plus

  • Audiobook

    Demise of the Northern White Rhinoceros, The

    by John Rafferty ...
    Narrated by John Rafferty, Barbara Durrant ...
    Series series Postcards from the Sixth Mass Extinction

    Unabridged

    26 min

    John Rafferty of Encyclopædia Britannica and Dr. Barbara Durrant of San Diego Zoo Global discuss the precarious status of the northern white rhinoceros (Ceratotherium simum cottoni) and some of the medical techniques that could be used in its recovery. This is the seventh part of the Postcards from the 6th Mass Extinction audio series. ... Read more

    $4.99 USD or Free with Kobo Plus

  • Audiobook

    Precarious State of the Monarch Butterfly, The

    by John Rafferty ...
    Narrated by John Rafferty ...
    Series series Postcards from the Sixth Mass Extinction

    Unabridged

    11 min

    John Rafferty of Encyclopædia Britannica discusses two species of monarch butterflies in North America that have declined as a result of habitat loss and the effects of pollution. This is the fourth part of the Postcards from the 6th Mass Extinction audio series. ... Read more

    $4.99 USD or Free with Kobo Plus

  • Audiobook

    Orangutan Conservation Conundrum, The

    by John Rafferty ...
    Narrated by John Rafferty ...
    Series series Postcards from the Sixth Mass Extinction

    Unabridged

    14 min

    John Rafferty of Encyclopædia Britannica discusses the challenges that oil palm cultivation poses to orangutans. This is the fifth part of the Postcards from the 6th Mass Extinction audio series. ... Read more

    $4.99 USD or Free with Kobo Plus

  • Audiobook

    Amphibian Apocalypse

    by John Rafferty ...
    Narrated by John Rafferty, Karen Lips ...
    Series series Postcards from the Sixth Mass Extinction

    Unabridged

    19 min

    John Rafferty of Encyclopædia Britannica and Dr. Karen Lips of the University of Maryland discuss the chytrid fungus called Batrachochytrium dendrobatidis (Bd) and how it has decimated amphibians worldwide. This is the eighth part of the Postcards from the 6th Mass Extinction audio series. ... Read more

    $4.99 USD or Free with Kobo Plus

  • Audiobook

    Dark Side of the Plastic Age, The

    Series series Postcards from the Sixth Mass Extinction

    Unabridged

    44 min

    John Rafferty of Encyclopædia Britannica, Dr. Chelsea Rochman of the University of Toronto, and author Dr. Rebecca Altman examine the chemistry of plastic and plastic pollution and the social history of plastic use. This is the 10th part of the Postcards from the 6th Mass Extinction audio series. ... Read more

    $4.99 USD or Free with Kobo Plus

  • Audiobook

    Coronavirus Origins and Conservation

    by John Rafferty ...
    Narrated by John Rafferty, Jonna Mazet ...
    Series series Postcards from the Sixth Mass Extinction

    Unabridged

    29 min

    John Rafferty of Encyclopædia Britannica and Dr. Jonna Mazet of the University of California, Davis, discuss the origins of the coronavirus SARS-CoV-2 and the processes by which emergent viruses spill over from one species to another. This is the ninth part of the Postcards from the 6th Mass Extinction audio series. ... Read more

    $4.99 USD or Free with Kobo Plus

  • Audiobook

    Understanding Functional Extinction

    by John Rafferty ...
    Narrated by John Rafferty, Andrew Solow ...
    Series series Postcards from the Sixth Mass Extinction

    Unabridged

    19 min

    John Rafferty of Encyclopædia Britannica and Dr. Andrew Solow of the Woods Hole Oceanographic Institution discuss the concept of functional extinction. This is the sixth part of the Postcards from the 6th Mass Extinction audio series. ... Read more

    $4.99 USD or Free with Kobo Plus

  • Audiobook

    Sea Turtles and the Coastal Squeeze

    by John Rafferty ...
    Narrated by John Rafferty, Lucy Hawkes ...
    Series series Postcards from the Sixth Mass Extinction

    Unabridged

    47 min

    John Rafferty of Encyclopædia Britannica and Dr. Lucy Hawkes of the University of Exeter discuss sea turtle conservation within the context of sea-level rise and shoreline development. This is the 12th part of the Postcards from the 6th Mass Extinction audio series. ... Read more

    $4.99 USD or Free with Kobo Plus