Joana Tavares is an American Association for the Advancement of Science mass media fellow. She writes about earth, ocean, and climate science. Joana got her bachelor’s degree in oceanography from the Federal University of Rio Grande, in Brazil. She also holds a master’s degree in marine science and policy from the University of Delaware, and is currently completing a doctorate degree in earth sciences at UC Irvine, where she is funded by a Future Investigator in NASA Earth and Space Science and Technology grant.