GEO Expert: "Man could become extinct": Dirk Steffens on the worst species extinction since the disappearance of the dinosaur

150 species become extinct in the world every day. With that, important parts of our life support machine are disappearing. Science journalist Dirk Steffens speaks in the #VoxVoice format about the dire consequences of the ongoing extinction of species.

150 species become extinct in the world every day. With that, important parts of our life support machine are disappearing. Science journalist Dirk Steffens speaks in the #VoxVoice format about the dire consequences of the ongoing extinction of species.