Writer Earth Science is vast field, encompassing many topics. In a sense, most articles from there deal, at least partly, with Earth Science. Just about every major publication from Time to the New York Times runs regular features about the environment. Every month there are major, new stories about environmental problems, ranging from mudslides in California and the people who lost their homes to tornadoes and hurricanes and the difficulties and hardships faced by the survivors.
Journalism is only one aspect of writing which can involve Earth Science.