![](https://i0.wp.com/sciencemoab.org/wp-content/uploads/2019/03/Screen-Shot-2019-03-02-at-4.36.32-PM.png?resize=335%2C336&ssl=1)
The desert both breathes out and pulls in carbon to and from the atmosphere. Here we talk with Dr. Anthony Darrouzet-Nardi about that process by exploring a field called biogeochemistry. We hear about the different kinds of carbon that exists in ecosystems, and how it is transformed and moved through the dynamic carbon cycle.