An atmospheric scientist looks at the relationships between Earth's atmosphere and the other systems it effects. The study of atmospheric sciences includes a number of subdisciplines, including aeronomy, climatology and meteorology.

The USA remains the world’s most popular destination for international students. Universities in the US dominate the world rankings and the country also offers a wide variety of exciting study locations. State university systems are partially subsidized by state governments, and may have many campuses spread around the state, with hundreds of thousands of students.

Students who spend the time necessary to complete a graduate certificate program have proof of knowledge that complements their academic degrees. These brief courses can be advantageous in securing favorable employment or advancing academic careers.

Part time learning allows one to obtain part-time degrees even if one cannot attend school on a full-time basis. One can learn at his or own pace, gradually accumulating credits which count towards final qualification.