Juanita's primary job is monitoring Earth's atmosphere and predicting climate changes. Which discipline of Earth and space science does she belong to?

Juanita belongs to the Atmospheric Sciences discipline.

Atmospheric sciences are the study of the Earth's atmosphere, its processes, the effects other systems have on the atmosphere, and the effects of the atmosphere on these other systems. It has three main branches, which are: Meteorology, this includes atmospheric chemistry and atmospheric physics with a major focus on weather forecasting; Climatology, which is the study of atmospheric changes that define average climates and their change over time; and Aeronomy which is the study of the upper layers of the atmosphere.