The Forum - What mushrooms and carbon dioxide tell us about volcanoes - 大象传媒 Sounds
![](https://ichef.bbci.co.uk/images/ic/320x320/p0424f4x.jpg)
The Forum - What mushrooms and carbon dioxide tell us about volcanoes - 大象传媒 Sounds
What mushrooms and carbon dioxide tell us about volcanoes
Volcanologist Tamsin Mather on using deep gas emissions to peer inside the Earth