When you imagine ocean sounds, maybe you hear the smooth arcing songs of the humpback whale, or the energetic, rhythmic clicks and snaps of dolphins. But it turns out the oceans are home to a much wider range and diversity of sounds than we could ever imagine, and today some of them are being captured by hydrophones (underwater microphones). In this episode, we take an audio journey of the oceans, learning what sound can reveal, what scientists have yet to identify, and how the underwater soundscape is changing in the Anthropocene.
Two stories of ecological disruption: the great sea star wasting, and a graveyard of trembling aspens. As climate change unfolds, one of the scariest prospects is that we will witness large scale ecosystem collapse. So is that moment already upon us? Will we be able to recognize the symptoms in time, and do we have enough information to take steps in advance? In both of today’s stories, from the oceans to the mountains, scientists are trying to understand the magnitude of ecological transformation underway – and what that might mean for the future.
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