T2: How is the sound of the world changing?

A talk to go with Episode 2. Musician Cosmo Sheldrake on how human noise pollution and climate change is impacting animals' ability to communicate through sound. Produced by Eliza Lomas and Becky Ripley.

You can take part in our Forest 404 Experiment to see how you respond to natural sounds at: bbc.co.uk/forest

#Forest404