Vulcanologist Jess Phoenix never expected to be involved in politics. Until recently her life revolved around science—traveling the world to study different volcanoes and running an educational nonprofit. But the environmental record of the Trump administration has motivated her to run for Congress.

“These guys are basically gutting every environmental protection that existed,” Phoenix says in Episode 284 of the Geek’s Guide to the Galaxy podcast. “It’s a trend we have to stop now. We can’t let this continue.”