old growth forests

On a rapidly changing planet, there are many ways to measure the health of an ecosystem. Can sound be one of them? We dive into a new methodology that applies machine learning technology to audio soundscape recordings. Lead researcher Sarab Sethi explains how this method could be used to potentially predict ecosystem health around the world.

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The world's largest intact temperate rainforest is in a place you may not expect: southeast Alaska. The Trump administration wants to eliminate a longstanding rule protecting the Tongass National Forest from logging and road construction. Why? And what might this mean for one of the top carbon sinks in the world? Maddie talks with reporter Emily Kwong about the Tongass.

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